0.08 m/s2 is the average acceleration. The acceleration's degree of uncertainty is 0.0135 m/s2.
Describe acceleration.Accelerations are included in vector quantities. An object's acceleration in relation to a net force is determined by the direction of that force. Force imbalances lead to acceleration in a body.
Uniform, non-uniform, and average acceleration are the three primary types of accelerated motions. It is said to have uniform acceleration when an object moves in a straight line with an increase in speed that happens at regular intervals of time.
Acceleration is the term used to describe any change in the speed or direction of a motion. Anything that is accelerating is moving faster, slower, or in a direction other than straight forward.
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What is the weight in newton of a 18.0 kg bowling ball on earth's surface?
Answer:
W = 176.4 N
Explanation:
Given that,
The mass of a bowling ball, m = 18 kg
We need to find the weight of the bowling ball on Earth's surface. The weight of an object on the surface of Earth is given by :
W = mg
Where
g is the acceleration due to gravity
Put all the values,
W = 18 × 9.8
W = 176.4 N
So, the weight of the ball on Earth's surface is equal to 176.4 N.
1. Calculate the size of the gravitational pull of a sphere of mass 10 kg on a mass 2.0 kg. When their
centres are 200 mm apart. What is the force of the 2.0 kg mass on the 10 kg mass?
Please answer with an explanation if you can!!!
Explanation:
Let a be the sphere of mass 10 kg and b be the sphere of mass 20 kg. According to Newton's universal law of gravitation, the gravitational force of a on b is expressed as:
F
a
b
=
G
m
M
d
2
, where:
G
=
6.67
×
10
−
11
N
m
2
/
k
g
2
is the gravitational constant
m = 2 kg is the mass of a
M = 10 kg is the mass of b
d = 0.2 m is the separation between the two spheres
So:
Fab=GmMd26.67
×
10
−
11
×
2
×
10
0.2
2
The Sun's path, as viewed from the equator, is highest in the sky on _____. A) the spring and fall equinoxes B) the winter solstice. C) the summer solstice D) the day when Earth is closest to the Sun
The correct option is A, the Sun's path, as viewed from the equator, is highest in the sky on the spring and fall equinoxes.
Fall equinox is an astronomical event that marks the transition from summer to autumn in the Northern Hemisphere and from winter to spring in the Southern Hemisphere. On the day of the fall equinox, the sun rises directly in the east and sets directly in the west. This marks the end of the summer season and the beginning of the autumn season. During the fall equinox, all areas of the Earth experience nearly the same amount of daylight and darkness.
The fall equinox occurs in the middle of September in the Northern Hemisphere and in the middle of March in the Southern Hemisphere. It is the first day of autumn and the last day of summer in the Northern Hemisphere and the first day of spring and the last day of winter in the Southern Hemisphere.
The fall equinox marks the return of balance after the summer solstice, during which the days are the longest and the nights are the shortest. During the fall equinox, the day and night are of equal length and the sun is directly over the equator. After the fall equinox, the days become gradually shorter and the nights become gradually longer.
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a potential difference of 12 volts causes 2.0 x 10^ 20 electrons to pass a point in a wire in 1 minute calculate
1) the amount of the charge that passes the point in 1 minute ,given that the charge of each electron is 1.6 x10^-19
coulomb
2)electric current in the wire
3)resistance of the wire
Answer:
Q = N e total charge passing point
Q = 2.0E20 * 1.6E-19 coul = 32 coulombs
2) I = Q / t = 32 C / 60 s = .53 amps
3) R = V / i = 12 volts / .53 amps = 23 ohms
hello please help i’ll give brainliest
Answer:
B. Large mountain ranges
If an airplane were traveling westward with a thrust force of 450 N and there was a headwind (drag) of 200 N, what would the resulting net force be on the airplane
The net resultant force on the airplane, based on the data provided in the question, is 250 N.
How can the net force that results be calculated?Calculate the resultant force by deducting the larger force's size from of the smaller force's magnitude. The direction of the smaller force and the resulting force are identical. The resulting force is useful because it allows us to think about the several forces as as if they were one. To measure the effects of different forces on a thing, in other words.
Given data -
Thrust force = 450 N
headwind (drag) = 200 N
Net force = 450 - 200
Net force = 250 N.
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A curve in the road is treated as a horizontal circle. A car drives around the curve with a constant translational velocity of 14 m/s, and the total horizontal force on the driver is 130 N. What is the total horizontal force on the driver if the translational velocity around the same curve is 18 m/s
The total horizontal force on the driver if the translational velocity around the same curve is 18 m/s is 215 N.
What is a force?The word 'force' has a precise meaning. At this level, it is completely appropriate to describe a force as a push or a pull. A force is not something that an object contains or 'has in it'.
Calculation -:In ∑F=m rv 2,
both m and r are unknown but remain constant.
Symbolically,
write ∑F slow =( r m )(14.0m/s) 2
and ∑F fast =( r m )(18.0m/s) 2
Therefore, ∑F is proportional to v 2 and increases by a factor of ( 14.018.0 ) 2
as v increases from 14.0m/s to 18.0m/s.
The total force at the higher speed is then
∑F fast =( 14.018.0 )
2 ∑F slow =( 14.018.0 ) 2 (130N)
=215N
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The diameter of a copper wire is thought to be approximately 0.3mm which instrument should be used to obtain a more accurate measurement of the diameter of the wire
Answer:
A micrometer caliper.
...............
If 400g of ice at -2°C i placed in 1 kg of water at 21°C what i the end product when equilibrium i reached?
The end product when equilibrium is reached is a mixture of water and ice at a temperature of 0°C.
Since the temperature of the water is higher than the temperature of the ice, the ice starts to melt and the temperature of the mixture decreases until it reaches the freezing point of 0°C.
The amount of water in the mixture increases due to the melting of the ice while the amount of ice decreases until all of the ice has melted and there is 1.4 kg of water in the mixture.
The heat energy that was released when the ice melted is absorbed by the water, raising its temperature to 0°C and causing it to reach equilibrium.
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what are the results of habitat loss? choose the most likely outcome
A. Habitats can be moved to new locations for most species
B. Most species can adapt to new conditions
C. Species can become endangered with extinction
D. Species can be relocated to new habitat
Answer:
C.
Explanation:
Seems the most reasonable to me
PLSS HELP
A car collides with a wall. Compare the forces exerted by the car on the wall and by the wall on the car.
According to Newton's third law of motion the force exerted by the car on the wall and the force by the wall on the car are equal and opposite. But there will be no displacement for the wall.
What is collision?Collison is a short time force acting between two objects. There are both elastic and inelastic collision. In elastic collision, the kinetic energy and momentum of the colliding system is conserved whereas in inelastic collision, the kinetic energy is not conserved.
For any type of collision, we can apply Newton's third law of motion. This law states that, for every action there is an equal and opposite reaction. Therefore, in a collision, the force exerted by each object will be equal and opposite in direction.
Therefore, the force exerted by the car on the wall and the force by the wall on the car are equal and opposite. But there will be no displacement for the wall.
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If an object that is emitting sound is moving fast enough towards an observer, what pitch will the observer hear?
a) (A) A pitch that is higher than the pitch actually produced
b) (B) A pitch that is lower than the pitch actually produced
c) (C) The same pitch as the pitch actually produced
d) (D) Impossible to determine
Answer:
(A) A pitch that is higher than the pitch actually produced
Explanation:
Doppler effect
If you can answer all of this then your a legend (I'm giving you all my points)
Answer:
1. B
2. B
3. D
4. A
Hope this was correct! A lot of the answers are already in the article itself and the wording is just different. I suggest now that for information retainment, you read the article again with the correct points in mind and see if you can spot the points where the answers are stated!
Eileen is holding a pillow with a mass of 0.30 kg when Stephanie decides she wants it and tries to pull it way from Eileen. If Stephanie pulls horizontally on the pillow with a force of 10.0 N and Eileen pulls with a horizontal force of 11.0 N, what is the magnitude of the net acceleration of the pillow
The magnitude of the net acceleration of the pillow is 3.333 m/s^2 .
How do you determine the magnitude of the net acceleration?To determine the magnitude of the net acceleration of the pillow, we can use Newton's Second Law of Motion, which states that the net force acting on an object is equal to the mass of the object multiplied by its acceleration:
Fnet = ma
where
Fnet = net force acting on the pillow
m = mass of the pillow (0.30 kg)
a = acceleration of the pillow
Fnet = FStephanie - FEileen = 10 N - 11 N = -1 N
So, the net force acting on the pillow is -1N
Now, we can use Newton's Second law to find the acceleration of the pillow
a = Fnet/m = -1 N / 0.3 kg = -3.333 m/s^2
Therefore, the magnitude of the net acceleration of the pillow is 3.333 m/s^2 .
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With the Sun and Moon in this position, what does the side of the earth facing the moon experience? ft Select one O A a normal high tide B. a neap high tide C. a spring high tide D. a spring low tide a neap low tide F a normal low tide age
With the Sun and Moon in this position, the side of the earth facing the moon experiences a spring high tide. Thus Option C is the answer.
A spring tide is a tide that occurs when the gravitational pull of the Moon and the Sun are in alignment. During a new moon or full moon phase, the gravitational pull of the Moon and the Sun combine to produce stronger than normal high tides and stronger than normal low tides. The term "spring tide" does not refer to the season of spring, but rather the tide's "springing forth" of water.
During a spring tide, the difference between high tide and low tide is at its greatest, and the water level rises higher and falls lower than during a neap tide. This is because the gravitational pull of the Moon and Sun are working together to produce the tide, rather than against each other. This results in a high tide that is higher than a normal high tide, referred to as a spring high tide.
It is important to note that spring tides occur twice a month, around the time of the new and full moon, when the Moon and Sun are in alignment.
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Determine the missing forces A-H
The missing forces in the diagram given are: A = 50 N; B = 200 N; C = 1100 N; D = 20 N; E = 300 N; F = 0 N; G = 50 N and H = 0 N.
What is resultant force?In physics and engineering, a resultant force is a single force and associated torque obtained by combining a system of forces and torques acting on a rigid body by vector addition. The characteristic of a resultant force or force-torque is that it has the same effect on a rigid body as the original force system. The resulting forces on the body are calculated and visualized by computational analysis or (for sufficiently simple systems) by free-body diagrams.
For A and B:
Since net force is zero the applied forces in all four direction will be equal but opposite.
So A will be 50 N and B will be 200 N.
For C:
The net force is 900 N;
C = 900 + 200
C = 1100 N
For D and E:
The net force is 60 N left; this means the net upward or downward force acting on the object is zero.
So E = 300 N
D = 80 - 60
D = 20 N
For F, G and H:
The net force is 30 N right; this means the net upward or downward force acting on the object is zero.
So F and H will be zero.
G = 20 + 30
G = 50 N
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Glands that excrete salt in the mangroves are examples of
Glands that excrete salt in the mangroves are examples of adaptions.
What is adaptions?The meaning of adaptation implies how a species changes its body and behaviour to better suit its natural environment. There are an estimated 8.7 million species currently living on earth. They are found across a wide and diverse natural environment, ranging from frozen and desolate Arctics to the sweltering sands of the Sahara.The natural environment is an ever-changing feature of planet earth. The process of adaptation ensures that the species which adapts the most, survive.Read on to explore plant and animal adaptations across the wide ranges of landscapes.In biology, adaptation has three related meanings. Firstly, it is the dynamic evolutionary process of natural selection that fits organisms to their environment, enhancing their evolutionary fitness. Secondly, it is a state reached by the population during that process.
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The following three resistors (Ohms) are in parallel with one voltage source. What is the total current running through circuit?
Battery 4
Resistor A 5
Resistor B 4
Resistor C 7
Explanation:
The total resistance Rt is given by
1/Rt = 1/Ra + 1/Rb + 1/Rc = 1/5 + 1/4 + 1/7 = 0.593
or Rt = 1.69 ohms
The total current I running through the circuit is
I = V/Rt = 2.37 A
If an object was traveling horizontally off a cliff at 9 m/s for 7 seconds, how far did it go?
The object travelled 63 meters at 9m/s for 7 seconds.
What is distance travelled?The length of the trajectory taken between the initial and final positions of the moving body is the distance traveled.
To calculate the distance traveled by an object traveling horizontally off a cliff, you can use the formula:
d = v * t
where d is the distance traveled, v is the velocity (9 m/s), and t is the time (7 seconds).
By substituting the given values into the formula, we get:
d = 9 * 7 = 63 meters
So, the object traveled 63 meters horizontally before it hit the ground after being launched off the cliff at 9 m/s for 7 seconds.
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How long would it take for a falling object to reach a final velocity of 147 m/s?
Answer:
15 seconds :)
Explanation:
what is displacement?
Answer:
The Difference Between the final and initial position of a point trajectory
Answer:
If an object moves relative to a reference frame
Explanation:
If a professor moves to the right relative to a whiteboard, or a passenger moves toward the rear of an airplane then the object's position changes.
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why are earthquakes hard to predict??
answer fast
Answer:
Reliable predictions require precursors – some kind of signal in the earth that indicates a big quake is on the way. The signal has to happen only before large earthquakes and it has to occur before all big quakes. At the moment seismologists have failed to find those precursors – if they even exist.
How do you reduce high latency?
Increasing internet speed and bandwidth will help to solve the latency issues. You'll need a network connection with a minimum speed of 15 mbps in order to use the internet efficiently.
Explanation of the previous response:Eventually, purchasing faster gear will be your best bet for obtaining lower latency. The system's overall latency can be considerably decreased by a faster CPU and GPU. Using the Reflex SDK's Game and Render latencies in games: If your Game Latency is excessive, think about getting a faster CPU.
In general, a latency (or ping) of 40 to 60 milliseconds (ms) or less is considered acceptable, whereas a speed of more than 100 ms will typically result in a significant lag in gaming. The performance of the game is affected by a number of variables.
the GPU, the HDD or SSD that the game is installed on, the amount and speed of RAM, the number of processing cores, and the speed of the disc.
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Calculate the force of gravity between a 2.50 kg newborn baby and a 80.0 kg doctor standing 0.250 m away. G
The force of gravity between the newborn baby and the doctor is approximately 2.67 x 10^-8 N.
What do you mean by force of gravity?The attraction between two objects in the cosmos is created by the force of gravity. Objects fall towards the center of the earth as a result of this force, which also keeps planets and moons in their orbits around stars. The mass of the objects and the separation between their centers of mass determine how much gravity there is between them.
The force of gravity between two objects is:
F = G * m1 * m2 / r^2
Where F = force of gravity,
G = gravitational constant (approximately 6.67 x 10^-11 N*(m/kg)^2),
mass m1 and mass m2 are the masses of the objects,
r = distance between their centers of mass.
Given:
the mass of the newborn baby = 2.50 kg,
the mass of the doctor = 80.0 kg,
the distance between them = 0.250 m,
F = (6.67 x 10^-11 N*(m/kg)^2) * (2.50 kg) *(80.0 kg) / (0.250 m)^2
F = 2.67 x 10^-8 N
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A 1.5 kg ball falls onto a floor. Just before it strikes the floor, its velocity is 12 m/s. The ball bounces up with a velocity of 10 m/s. Find the impulse on the ball.
Answer:33Ns
Explanation:
If 53 kg Boulder fall of the cliff what is the force which it will hit the ground? Is she correct?
Answer:
F = 520 NExplanation:
We've got m = 53 kg and a = g = 9.81 m/s^2. So to find the force we must do the following:
F = mg
F = (53kg)(9.81 m/s^2)
F = 520 N
If a net force of 10. Newtons acts on a 6.0-kilogram mass for 8.0 seconds, the total change of momentum of the mass is
The object's momentum will vary by an amount equal to 80 N-s.
Describe momentum.
The relationship between a particle's mass and velocity determines its momentum. Having both a force and motion, it has both a direction and a magnitude. The force exerted on a particle is equal to the rate at which its momentum is gaining momentum over time, according to Isaac Newton's second equation of motion.
Newton's second law states that if a steady force acts on a particle for a predetermined period of time, the impulse, which is the result of the force and the intervals (the impulse), is equal to the change in momentum.
The time it would take a constant action to bring a particle to rest, on the other hand, is the measure of a particle's momentum.
According to the details in the query,
The system's starting momentum is 0.
F = ma
a = F/m
a = 10/6
a = 1.67 m/s²
utilize the motion equation,
v = u + at
v = u + (1.67)(8) (8)
v = 13.33 m
The momentum will then be,
p = mv
p = 6 × 13.33
p = 80 N-s.
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What is the formula of 3 law of motion?
The three laws of motion, as described by Sir Isaac Newton, are as follows:
Every object in a state of uniform motion will remain in that state of motion unless an external force acts on it. This is known as the law of inertia.
The force acting on an object is equal to the mass of that object multiplied by its acceleration. This is known as Newton's second law of motion, and is often represented by the equation F = ma.
For every action, there is an equal and opposite reaction. This is known as Newton's third law of motion.
Newton's laws of motion are fundamental principles that describe the physical behavior of objects in motion. The first law, the law of inertia, states that an object at rest will remain at rest, and an object in motion will continue in motion with a constant velocity, unless acted upon by a net external force. The second law of motion, states that the acceleration of an object is directly proportional to the net force acting on the object, and inversely proportional to its mass. The third law states that for every action there is an equal and opposite reaction.
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A 5.8 kg bowling ball is rolling down the lane with a velocity of 8.1 m/s . Calculate the momentum of the bowling ball. Provide your response to the nearest tenth kgm/s .
Answer:
46.98 kg m/s
Explanation:
P = mv
P = 5.8*8.1 = 46.98 kg m/s
jordan wants to see if earthworms prefer rough or smooth terrain to crawl through. What will be his independent variable
The independent variable in this investigation is the type of surface which is changing whereas, the dependent variable is the mobility of earth worm.
What is independent variable?In a experiment or investigation, there are two types of variables which are dependent and independent variable. Dependent variable are those which are dependent on other variables and are changing with respect to other variables.
Independent variables are those not dependent on any other variables and we can change the independent variable to study the change in dependent variable.
Here, the one we studying is the mobility of earth worm which is the dependent variable and the type of surface rough or smooth is the independent variable.
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