figure 2 shows a 7520kg lorry. the driver spots a hazard ahead and applies the brakes. the lorry decelerates uniformly and comes to a stop 50m after the brakes are applied. Estimate the braking force needed to stop the lorry in newtons

Answers

Answer 1

Answer:

25 m/s

Explanation:

v^2-u^2=2as

a= (v^2-u^2)


Related Questions

The table shows the values Jane obtained when she measured the thickness of a steel pipe. The known thickness of the pipe is 1.32 centimeters. Which statement about her results is true?

Answers

As the values are closed to each other, Jane's measurements are precise.

What is precision?

The precision of a substance is defined as the degree to which two or more measurements agree with one another.

It is incredibly precise but not always accurate to measure something if you measured it five times and get around 1.50 cm each time. Accuracy is not necessary for precision. There are various categories of precision:

Persistence: The variation that results when the conditions are maintained constant and repeated measurements are done over a brief period of time.Reproducibility: When employing the same measurement method with various instruments and operators over longer time periods, variation occurs.

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8. Jax bounced a dodgeball off a wall. The dodgeball has a momentum of 32. 6 kg · m/s after the

collision. What is the total momentum of the system before the collision?

Answers

32. 6 kg m/s will be the total momentum of the system before the collision.

What does "collision" mean?

In physics, a collision is any circumstance in which two or more bodies rapidly apply forces to one another.

Despite the fact that the most common usage of the word "collision" relates to instances in which two or more objects smash violently, the scientific usage of the word makes no such assumptions.

If most or all of the total kinetic energy from the collision is lost (dissipated as heat, sound, etc., or absorbed by the objects themselves), the collision is said to be inelastic; such collisions result in the objects coming to a complete stop. A collision involving a car serves as an example of this type of collision since cars fold inward rather than colliding with one another.

Briefing:

pf = Final momentum of the system = 32.6 kg m/s

According to the principle of conservation of angular momentum we have

pi = pf => pi = 32.6 kg m/s

The wall is not moving so the initial and final momentum of the system are equal.

Therefore, the total momentum of the system before the collision is 32.6 kg m/s

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A 74 kg student, starting from rest, slides down an 11.8 meter high water slide. What is his kinetic energy at the bottom of the slide

Answers

The kinetic energy of the student at the bottom of the slide with a velocity of 15.21 m/s is 8,557.36 J

The mass of the student = 74 kg

The distance of the slide = 11.8 m

The final velocity at the bottom of the slide can be found using

             v² = u² + 2ax

where v is the final velocity

          u is the initial velocity

          a is the acceleration due to gravity

          x is the distance

Let us substitute the known values,

            v² = 0 + 2 x 9.8 x 11.8

            v² = 231.28

                = √231.28

             v = 15.21

Therefore, the kinetic energy at the bottom of the slide is

         K.E = 1/2mv²

                = 1/2 x 74 x 231.28

                = 8,557.36 J

The kinetic energy of the student is 8,557.36 J

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how much electrical energy is converted to light and thermal energy by a 160 w light bulb in one day

Answers

13824 x 10^3 J electrical energy is converted to light and thermal energy by a 160 w light bulb in one day

What is the best way to define thermal energy?

Thermal energy is the movement of the molecules within an object or substance. Every material has heat energy; the sun is the primary thermal energy source in our solar system. The transfer of thermal energy through one material or item to another is known as heat.

Given,

Power = P = 160 W

time = t = 1 day = 24 hours = 24 x 3600 sec = 86400 sec

energy = power x time = 160 x 86400 = 13824 x 10^3 J

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Which of the following is not a drawback of using coal for energy production?
A. Mountaintop mining
B. Mercury in fly ash
C. Mining explosions
D. Difficult transportation due to instability

Answers

The statement that is not provide a drawback of using coal energy for energy production is (D) difficult transportation due to instability.

What is disadvantage of using coal for energy production?

Coal is source of fossil energy created by dead plant drawn in swamp environments and subjected by geological pressure and forces of heat over hundreds of millions of years. The disadvantage using this source of energy are:

It use mountaintop mining that can contaminate water.It use combustion to create energy and the remaining after combusting has mercury that can fly in form of an ash. As to reminder, mercury can harm nerve when its being inhale.In the process of its mining, the coal commonly result an ash that can combust in the air. The accumulation can cause mining explosions.

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What type of protein secondary structure does the structure shown here (Fiqure 1) represent? O a-helix O a-sheet
O B- helix O B-sheet O y turn

Answers

The correct option is C. β-sheet type of protein secondary structure does the structure shown here (Figure 1) represent.

A shape is an arrangement and organization of interrelated elements in a fabric item or gadget, or the item or system so prepared. material systems encompass guy-made items consisting of homes and machines and natural items which include organic organisms, minerals, and chemical compounds. abstract structures consist of statistics structures in pc science and musical shape.

Sorts of the shape include a hierarchy (a cascade of one-to-many relationships), a network providing many-to-many links, or a lattice presenting connections among additives that can be pals in space.

Built structures are widely divided by using their various design approaches and requirements, into classes together with constructing systems, architectural structures, civil engineering structures, and mechanical structures.

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Complete Question:

What type of protein secondary structure does the structure is shown here (Figure 1) represent?

A). α-helix

B). α-sheet

C). β- helix

D). β-sheet

E). γ turn

I would like to know how to find the distance my fake planet is to its sun and the orbital length in measurement using the information I have gathered so far about my made up DnD planet I have searched a million things up and have gotten myself in a loop hole because in order to get X I need to know B and in order to know B I need to either know X or A and if I use the one using A then A needs X in order to find B to find X.

Heres the information:
Day Duration: 36 hours
Orbit Duration: 1.6 Earth years
Year Duration: 389.3... days
Gravity: 9.608 m/s²
Axial Precession: 15,000 years
Axial Tilt: 21.7 to 23.5
Axial Oscillate: 8333.3... years per 0.1 oscillate of 1.8 oscillation
Number of moons: 3
CLimate regions: much similar to earth Temperate regions are
the magority of the planet with tropical at the equator and
subtropical at the poles with seasons changing at the prevernal,
vernal, estival, serotinal, autumnal, and hibernal periods
Radius: 4578.2 (m)
Planet Mass: 3017387649322753000
Circumference: 28765.6789733

Answers

It is to be noted that based on the information provided, it is not possible to calculate the distance of the planet from its sun as we need more information about orbit and its eccentricity.

What is Space Orbit distance?

The distance of your fictional planet from its sun, and its orbital period, can be calculated using the information you've provided about its day duration, orbit duration, year duration, and radius.

The distance between a planet and its sun is known as an astronomical unit (AU). To calculate the distance in AU, you can use the formula: d = (T² * G * M_sun) / (4 * pπ²)

where T is the planet's orbital period in Earth years, G is the gravitational constant (6.67 x 10^-⁻¹¹ m³ kg^⁻¹ s^⁻²), M_sun is the mass of the sun (2 x 10^30 kg), and pi is the mathematical constant (3.14).To find the orbital period you need to know year duration in seconds and divide it by 365.25 for Earth-based standard.

With that you can calculate the distance of the planet from its sun. The calculation of axial precession, tilt and oscillation etc don't provide information about the distance from its sun or the orbital period, It helps us to understand the planet's rotation around it's axial and the behaviors of the planet's climate because of axial tilt, precession and oscillation

Also, radius, planet mass and circumference also don't provide any information about distance of the planet from its sun or the orbital period as well.

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If the starting velocity was 0 m/s and the final velocity was -7.68 m/s, what is the average velocity of the rock?

Answers

Answer:

Average velocity = -3.84 m/s

Explanation:

Given the following data;

Initial velocity = 0 m/s

Final velocity = -7.68 m/s

To find the average velocity;

Average velocity = (U + V)/2

Average velocity = (0 + [-7.68])/2

Average velocity = -7.68/2

Average velocity = -3.84 m/s

Therefore, the average velocity of the rock is -3.84 meters per seconds.

Answer this please.____

Answers

Answer:

Explanation:

When a liquid is heated, the particles are given more energy. They start to move faster and further apart. At a certain temperature, the particles break free of one another and the liquid turns to gas. This is the boiling point.

A 1kg rock is dropped 50m off a bridge. How much PE did it have

before it was dropped?

Answers

In this case, a body of mass 5 kg kept at a height of 10 m. So, the potential energy is given as 500 J.

Which energy has potential?

An object's potential energy is its stored energy. This energy has the capacity to be productive. An object's potential energy is provided by gravity. Gravity's downward force is the source of this potential energy.

The acceleration brought on by gravity is known as the gravitational constant, or g. On Earth, this acceleration is equivalent to 10 metres per second. PE = mgh is the equation for potential energy resulting from gravity. The object's potential energy declines and its kinetic energy rises as it approaches the ground.

Briefing:

Potential Energy = 5 x 10 x 10 = 500J.

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A closed pipe creates a
fundamental frequency of 125 Hz.
What is the next higher frequency
that will create a standing wave in
the pipe?
(Speed of sound = 343 m/s)
(Unit = Hz)

Answers

Answer:

375 hz

Explanation:

Trust me

By using moving _____magnetic fields_________ and _________________ wire together, electric ___________________ create electricity. Electric generators essentially convert _____________________energy (the energy of motion) into _____________ energy.

Answers

The words with a blank are , magnet, coiled copper, motor, mechanical and electrical. Electric generators produce electricity by combining a moving shaft with coiled wire.

How do magnetic fields work?

The magnetic field is the region where the strength of magnetism acts on a magnetic substance or a flowing electric charge. a magnetic field diagram that shows how the magnetic force is distributed both inside and outside of a magnetic substance.

Kinetic energy: What is it?

When an object is moving, it has kinetic energy. If we intend to accelerate an object, we must exert a force. The task has been finished, energy has been applied to the object, and it is now moving at a fixed constant pace.

Therefore, electric generators generate electricity by combining coiled wire and moving shaft magnetic fields. Kinetic energy, or the energy of motion, is effectively transformed into electrical energy via electric generators.

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they were pleased by the news.(active voice)​

Answers

Answer:

They were pleased by the news. (passive voice)

The news pleased them. (active voice)

Why does temperature have no effect on mass?

Answers

The amount of matter present is simply referred to as mass. As a result, temperature change has no direct effect on mass since the amount of matter present remains constant regardless of temperature. The mass of a material in a given volume is defined as its density.

Temperature is a physical measure that quantifies our feelings of hotness and coolness. A thermometer is used to measure temperature.

Thermometers are calibrated in a variety of temperature scales that have traditionally been defined by various reference points and thermometric substances.

The most prevalent scales are the Celsius scale (previously known as centigrade), the Fahrenheit scale (°F), and the Kelvin scale (K), with the latter being used mostly for scientific reasons. The kelvin is one of the International System of Units' seven basic units (SI).

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What is the new volume of the gas if the pressure on 350 L of oxygen
at 720 mm Hg is decreased to 600 mm Hg?

Answers

Answer:

420 L

Explanation:

Applying Boyle's Law,

PV = P'V'.................... Equation 1

Where P = Initial pressure, P' = Final pressure, V = Initial volume, V' = Final volume.

make V' the subject of the equation

V' = PV/P'.................... Equation 2

From the question,

Given: P = 720 mmHg, V = 350 L, P' = 600 mmHg

Substitute these values into equation 2

V' = (720×350)/600

V' = 252000/600

V' = 420 L

How do you find the acceleration of a marble down a ramp?

Answers

The marble accelerates at a constant rate as it moves down the slope because of the constant gravitational force acting on it in a major portion and the rolling tangential force on the object is acting in the smaller form.

Rolling motion of any object occurs when the marble starts sliding in a different methods from the other objects such as when the objects starts to roll from the ramp or any other sloppy surface and it rolls down due to the gravitational force and with many other forces such as the rolling tangential force. many forces are acting on the object at the same moment and we are just seeing the gravitational force which is playing a major portion. Hence by this information we can consider that the ball accelerates at a constant rate as it moves down the slope because of the constant gravitational force acting on it in a major portion and the rolling tangential force on the marble is acting in the smaller form.

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ulius competes in the hammer throw event. The hammer has a mass of 7.26 kg and is 1.215 m long.What is the centripetal force on the hammer when it has a tangential speed of 31.95 m/s

Answers

The 6,100 N is the centripetal force on the hammer when it has a tangential speed of 31.95 m/s.

What is centripetal force ?

Any force that induces a shift in velocity direction toward the center of a circular motion is referred to as a centripetal force. Centripetal force is caused by the part of the force that is perpendicular to the velocity.

Centripetal force is a force that operates on a body traveling in a circle and is pointed in the direction of the body's center of mass. It is computed using the formula:

F = mv^2/r

where m is the mass, v is the velocity and r is the radius.

F = 7.26(31.95)^2 / (1.215) = 6100 N

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write the realtion between work and power​

Answers

Explanation:

Work is the energy needed to apply a force to move an object a particular distance, where force is parallel to the displacement. Power is the rate at which that work is done.

Explanation:

Some possible units for each

Work =F⋅d=N⋅m=J=kgm2s2

Power =F⋅dt=F⋅v=N⋅ms=W=Js=kgm2s3

The relation p=w/t

Consider the following reaction

2Mg(s) + 02 (9) 2Mgo (s)

If 21. 2 kcals of energy is released by this reaction, how many kJ

of energy does the reaction release? (1 cal = 4. 184 J) (Round off

decimal to nearest tenths)

Answers

In the given reaction, 2Mg(s) + O₂ (g) → 2MgO (s), 88.7 kJ of energy will be released.

The reaction 2Mg(s) + O₂ (g) → 2MgO (s) involves the release of energy from the system and hence it is an exothermic reaction. 21.2 kcals of energy is released from this reaction.

21.2 kcals = 21.2 × 10³ calories

1 cal = 4.184 J

For 21.2 × 10³ calories,

21.2 × 10³ cal × 4.184 = 88.70 × 10³ cal

To convert J to kJ, we divide it by 10³

88.70 × 10³ / 10³ = 88.70

Rounding off to nearest tenths, the amount of energy released by the given reaction in kJ = 88.7 kJ

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A teacher makes the following statement.

“Gasoline boils at a relatively low temperature (about 150°C). The kerosene is removed at around 200°C, followed by diesel oil at 300°C and fuel oil at around 370°C.”

What topic is the teacher most likely talking about?
distillation of a mixture
filtration of a pure substance
evaporation of a mixture
sorting of a pure substance

Answers

Answer: Distillation of mixture

Explanation: Different fractions of crude oil have different

boiling points according molecular weight of hydrocarbons

NOT evaporation of a mixture

How much energy is needed to perform 300 J of work?

Answers

I think this is the answer hope it helps

A plane flying at the speed of 150. M/s is accelerated uniformly at a rate of 5. 00 m/s^2


a. What is the plane's speed at the end of 10. 0 seconds?

b. What distance has it traveled?

Answers

The plane's speed at the end of 10.0 seconds is 200 m/s and the distance it has travelled is 1750 meters.

The initial speed of the plane, u = 150 m/s

Acceleration of the plane, a = 5 m/s²

Time, t = 10 sec

We can find the plane's speed at the end of 10. 0 seconds by the formula

a = (v - u)/ t

⇒5 = (v - 150)/ 10

⇒50 = v - 150

⇒v = 150 + 50

⇒v = 200 m/s

Now, to find the distance it has travelled we will use the kinematic equation

v² = u² + 2as

⇒200² = 150 ² + 2 × 5 × s

⇒40000 = 22500 + 10s

⇒17500 = 10 s

⇒s = 1750 m

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A 9 cm tall object is placed 16 cm from a converging lens forming an image at 13 cm. What is the height of the image?

Answers

The way I actually did that it was just like a little bit of a panic attack and I was like literally dying laughing at my chrome book mark and I was like literally dying laughing at the park I was laughing so loud and I’m literally gonna laughing so I can’t do tell him what he says I don’t think I

Some planetary scientists have suggested that the planet Mars has an electric field somewhat similar to that of the earth, producing a net electric flux of -3. 63 × 1016 N⋅m2/C at the planet's surface.


a) Calculate the total electric charge on the planet.

b) Calculate the magnitude of the electric field at the planet's surface (refer to the astronomical data inside the back cover).

c) Find the direction of the electric field at the planet's surface.

d) Calculate the charge density on Mars, assuming all the charge is uniformly distributed over the planet's surface

Answers

With a net electric flux of -3. 63 1016 N/m2/C at its surface, the planet Mars has an electric field that is somewhat similar to that of the earth. There will be 3.26 x [tex]10^{5}[/tex]  of electric charge throughout the entire earth.

Which best sums up Gauss's law?

The electric flux across any closed surface is proportional to the net electric charge q enclosed by the surface, according to Gauss's law of electricity, which reads as = q/0, where 0 is the electric permittivity of free space, which has a value of 8.854 10-12 square coulombs per newton per square meter.

How can the angle of a vector in an electric flux be determined?

E is the magnitude of the electric field (with units of V/m), S is the area of the surface, and is the angle between the electric field lines and the normal (perpendicular) to S. If the electric field is uniform, the electric flux (E) travelling through a surface of vector area S is: E = ES = EScos.

Calculation:

Ф = q/ε

⇒ 3.69 x [tex]10^{16}[/tex] x = q/ 8.85 x [tex]10^{-12}[/tex]

q = 3.26 x [tex]10^{5}[/tex]

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We are warmed by condensation because water molecules in the air that strike our bodies
A. form an insulating layer on our bodies
B. gain kinetic energy as they change state
C. transfer some of their kinetic energy to us

Answers

Condensation warms us because airborne water molecules that impact our bodies give up some of their kinetic energy to us.

What is kinetic energy?

Kinetic energy is the energy of motion. It is the energy that a moving item possesses.It is typically measured in joules and is equal to the work done to accelerate the object from its rest state to its current state. Kinetic energy can be found by multiplying the mass of an object by its velocity squared, divided by two. The kinetic energy of an object increases as its velocity increases.Kinetic energy exists in both linear and rotational forms. Linear kinetic energy is the energy of an object moving in a straight line, while rotational kinetic energy is the energy an object has due to its spinning or rotating motion.

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humans taste food mostly because of:

Answers

Answer:

taste buds

Explanation:

very sensitive microscopic hairs called microvilli. The tiny hairs send messages to the brain about how something tastes, so you know if it's sweet, sour, bitter, or salty

Suppose a radio message is sent home by astronauts in a spaceship approaching Mars at a distance of from Earth. How long (in minutes) will it take for the message to travel from the spaceship to Earth

Answers

A radio message is sent home by astronauts in a spaceship approaching Mars at a distance of from Earth.

A contact from Mars travels [between 3 and 22] minutes at light speed to reach Earth. Relativity contributes to the fact that the distance between Earth and Mars is 1.26 seconds longer.

A Mars year is roughly equivalent to two Earth years because of Mars' nearly two-fold longer orbital period than the Earth's. Earth and Mars are 57.6 million kilometers (35.8 million miles) from one another, while 401 million kilometers separate them at their farthest point (249 million mi).

The sole means of contact between Earth and Mars are radio and messenger. A courier will undoubtedly require a lot of time. We can determine how long it will take a radio message to travel between the two planets since radio waves travel at the speed of light (299,792 km/s; 186,282 mi/s). When the two planets are at their closest, the one-way voyage takes the fewest amount of time—3.2 minutes.

The time required for a one-way trip is 22.3 minutes when they are the furthest apart. A round-trip message will take between 6.4 and 44.6 minutes to send and receive. Of course, receiving an answer will take the same amount of time in each situation.

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A car is traveling for 1638 km for a time period of 6.5 hours. What is the average speed of the car?

Answers

Answer:

252 km/hr

70 m/s

Explanation:

s = d/t

answer in km/hr:

s = 1638 km / 6.5 hr = 252 km/hr

if you need the answer in m/s:

s = ((1638 km)(1000 m/km)) / ( (6.5 hr)(60 min/hr)(60 s/min))

  = 70 m/s

The speed of light is approximately $3\times10^5$ kilometers per second. How long does it take sunlight to reach Jupiter

Answers

it takes about 26 seconds for speed of light with approximate speed of 3\times10^5  kilometers per second to reach Jupiter.

To calculate the time it takes light to reach Jupiter, we need to know the distance between the Sun and Jupiter. The average distance between the Sun and Jupiter is approximately 778 million kilometers. We can use the formula distance = speed x time to calculate the time it takes for sunlight to reach Jupiter. We know that the speed of light is approximately 3x10^5 kilometers per second and the distance between the Sun and Jupiter is 778 million kilometers.time = distance / speed

time = (77810^6 km) / (310^5 km/s)

time = 26 sec (approximately)

Therefore, it takes about 26 seconds for light to reach Jupiter.

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How are static and passive stretching similar?

Answers

Static stretching and passive stretching are very similar in that they both involve moving the limbs into and holding the stretch posture.

Static stretching involves the individual holding their own limbs in place, while passive stretching involves a partner assisting with the movement and holding of limbs. When you stretch to your limit and hold that position, you are engaging in a form of stretching known as static stretching. Passive stretching, on the other hand, is also a form of static stretching; however, during this technique, you remain relaxed and do not actively participate in increasing your range of motion.

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Electrons have a______charge. How did the ancient Chinese preserve a person's body? what were pol pots ideals Aubrae Company is making adjusting entries for the year ended December 31 of the current year. In developing information for the adjusting entries, the accountant learned the following:a. A two-year insurance premium of $4,560 was paid on October 1 of the current year for coverage beginning on that date. The bookkeeper debited the full amount to Prepaid Insurance on October 1. b. At December 31 of the current year, the following data relating to Shipping Supplies were obtained from the records and supporting documents.Shipping on hand, January I of the current year $13,000Purchases of shipping supplies during the current year 75,000Shipping hand, counted on December 31 of the current year 20,000Required:a. Using the process illustrated in the chapter, record the adjusting entry for insurance at December 31 of the current year.b. Using the process illustrated in the chapter, record the adjusting entry for supplies at December 31 of the current year, assuming that the shipping supplies purchased during the current year were debited in full to the account Shipping Supplies.c. What amount should be reported on the current years income statement for Insurance Expense? For Shipping Supplies Expense?d. What amount should be reported on the current years balance sheet for Prepaid Insurance? For Shipping Supplies? if the area of a sector is 15pi square cm and the radius is 5cm find the measure of the central angle Why is it important to prioritize expenses? Attracting outside investment is easier for corporations than for sole proprietorships and partnerships because: The letters in the word ALGEBRA are placed in a bowl. What is the probability of NOT choosing A Jestem Polakiem wypracowanie If cost of 15 eggs is ? 75, then find out the cost of 4 dozens eggs. What are the external and internal factors which causes the changes in the earth's surface.List and explain Write an expression for the distance vector, d, in rectangular form in terms of d and , in a coordinate system with the dish at the origin and the unit vectors i and j in the horizontal and vertical directions. (to the right and up) What are Romanesque churches known for? you will break even when the cost of your supplies your income. How many cups of hot chocolate must you sell to break even' Which pair represents opposite numbers? How wasthe Souths situation inthe Civil War similar to thesituation of the Patriots inthe Revolutionary War? A student is creating an algorithm to display the distance between the numbers num1 and num2 on a number line. The following table shows the distance for several different values.Value of num1 - Value of num2 - Distance Between num1 and num25 2 31 8 7-3 4 7Which of the following algorithms displays the correct distance for all possible values of num1 and num2? I WILL MARK BRAINLIESTWhat is the shape of the cross section of the figure that is perpendicular to the rectangular base and passes through the top vertex of the figure?A rectangular pyramid.a parallelogram that is not a rectanglea rectanglea triangle that must have the same dimensions as one of the facesa triangle that does not have the same dimensions as one of the faces How many times greater in magnitude is an earthquake that measures 7 on the Richter scale as opposed to one that measures 3? Use the passage below to answer all parts of the question that follows."In a very short time, several hundred million peasants in China's central, southern, and northern provinces will rise like a fierce wind or tempest, a force so swift and violent that no power, however great, will be able to suppress it. They will break through all the trammels that bind them and rush forward along the road to liberation. They will, in the end, send all the imperialists, warlords, corrupt officials, local bullies, and bad gentry to their graves. . . .A revolution is not like inviting people to dinner, or writing an essay, or painting a picture, or doing embroidery; it cannot be so refined, so leisurely and gentle, so benign, upright, courteous, temperate, and complaisant. A revolution is an uprising, an act of violence whereby one class overthrows the power of another. A rural revolution is a revolution in which the peasantry overthrows the power of the feudal landlord class. If the peasants do not use extremely great force, they cannot possibly overthrow the deeply rooted power of the landlords, which has lasted for thousands of years. The rural areas must experience a great, fervent revolutionary upsurge, which alone can rouse the peasant masses in their thousands and tens of thousands to form this great force.Mao Zedong, leader of the Chinese Communist Party,From a written report on the peasant movement in central China, 1927A) Identify ONE way in which the passage reflects a cause of the Communist Revolution in China.B) Explain ONE way in which the policies of the Great Leap Forward were a result of the priorities set forth in the passage.C) Explain ONE other example of a movement to redistribute resources or land following 1900 CE.