Answer:
To change 150x106 km to scientific notation, the leading number must be reduced to a
number between 1 and 9.99999.... To do this, one must dDIVIDE by 100, yielding 1.50.
In order to keep the entire quantity the same, one must then MULTIPLY the exponential
part of the number of 100. This is equivalent to increasing the exponent from 6 to 8.
Explanation:
hope this helps
Fun Fact: A cow-bison hybrid is called a “beefalo”
If I'm cold and want to warm up with an electric heater, which energy would I need in order to make the heater work?
a=light energy
b=electric energy
c=potential energy
d=mechanical energy
The answer would be B.) Electric Energy
Answer:
b.electric energy
we need electric energy to make the heater work.
A tractor pulls a trainer at a constant speed the tractor exerts a forward force of 1600N on the trailer. What is the force exerted by the trailer on the tractor?
Answer: 1600N backwards.
Explanation: This falls into the third law.
Wich of the following quantities is not a vector
Answer:
A vector has magnitude (size) and direction. The length of the line shows its magnitude and the arrowhead points in the direction. We can add two vectors by joining them head-to-tail:
Explanation:
7. A train is traveling with an initial velocity of 20.1 m/sec. If the brakes can apply a maximum
acceleration of -0.0500 m/sec”, how long will it take the train to stop?
The time that takes for the train that is traveling with an initial velocity of 20.1 m/s to stop is 402 seconds.
The time that will take for the train to stop can be calculated with the following kinematic equation:
[tex] v_{f} = v_{i} + at [/tex] (1)
Where:
[tex] v_{f}[/tex]: is the final velocity = 0 (when it stops)
[tex] v_{i}[/tex]: is the intial velocity = 20.1 m/s
a: is the acceleration = -0.0500 m/s²
t: is the time =?
By solving equation (1) for t, we have:
[tex] t = \frac{v_{f} - v_{i}}{a} = \frac{0 - 20.1 m/s}{-0.0500 m/s^{2}} = 402 s [/tex]
Therefore, it will take 402 seconds for the train to stop.
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Read the PDF to help.
Explanation:
The answer is magnetic north pole
A cup of sugar has a volume of 237ml . What is the mass of the cop of sugar if the density of sugar is 1.59g/ml?
Answer:
v=237ml m=? density(rho) = 1.59 g/ml
density = mass/volum
mass= (density)(volume)
m=(1.59)(237)
m=376.83g
7. Who has the greater average velocity: an astronaut who has jut completed an orbit of the Earth or you when you have just traveled from home to school? Explain.
Answer:
the anser is
Explanation:
Acceleration is defined as the rate of change of velocity.
Acceleration = (Change in velocity) / time taken
Acceleration = (Final velocity - initial velocity) / time
As the object velocity changes by the same amount in each second, it means the acceleration is constant.
fuse wire is alloy of copper and alluminium? true or false
[tex]\huge\mathfrak\green{True}[/tex]
Which is the cause of the suns magnetic properties ?
A) upward movement or super heated gases in the convection zone
B) uneven churning of plasma
C) rapid spinning of metals in the core
D) uniform clockwise rotation of charger particles
Answer:
Q:
What characteristic is shared by sunspots, solar flares, and coronal mass ejections? Select the two correct responses.
A:
They tend to occur during active periods of the solar cycle. & They are caused by outward fluctuations of the sun's magnetic field.
Q:Drag each item to the correct location.
A: sunspot: cooler area on suns surface where the magnettic field emerges
solar flare: intense burst of radiation coming from the rapid release of magnetic energy
coronal mass ejection: large bubble of plasma from the rapid release of magnetic energy
Q: Which is the cause of the sun's magnetic properties?
A: uneven churning of plasma
Explanation:
took quick check
good luck yall
The uneven churning of plasma is the cause of the sun's magnetic properties, therefore the correct answer is option B.
What is a magnetic field?A magnetic field could be understood as an area around a magnet, magnetic material, or an electric charge in which magnetic force is exerted.
For a simple bar magnet, N-pole and S-pole are the points on a magnet that have the strongest magnetic field. The magnetic field originates from the north pole and terminates in the south pole of a magnet.
The positively charged ions and negatively charged electrons that make up the plasma of the Sun move around a lot due to its high temperatures. Multiple intricate magnetic fields that twist and turn are produced by the moving plasma. A magnetic field is produced by the extremely hot plasma that escapes from the Sun as the solar wind.
Thus, The sun's magnetic properties are caused by uneven plasma churning, so option B is the correct answer.
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What is the potential energy of a rock that weighs 10.0 kg and is sitting on top of a hill 100 meters high?l
Answer:
9800 J
Explanation:
P.E = mgh
m = massg = gravitational accelerationh = heightP.E = (10.0)(9.8)(100) = 9800 J
Bob the American has just driven his car across the Canadian border when he sees a
speed limit sign of 85 kilometers/hour. His speedometer only shows his speed in
miles/hour. Convert the kilometers to miles so that Bob doesn't get a speeding ticket.
(Conversions: 1 mile = 5280 ft; 1 foot = 12 in.; 1 inch = 2.54 cm
Answer:
it equals 53 miles per hour
An electric field around two charged objects is shown.
What are the charges of objects X and Y?
A) X: negative
Y: positive
B) X: positive
Y: positive
C) X: negative
Y: negative
D) X: positive
Y: negative
Question is incomplete.!
Answer: D
Explanation: i just took the test edge 2023
what is moment and it's type
Explanation:
The turning effect of a force is called moment .
There are two types of moment. They are:-
clockwise momentanti-clockwise momentIf a diver displace water with a weight of 500N what is the upthrust on the diver?
Answer:
500N
Explanation:
Basically the weight of water displaced is the amount of upthrust. The upthrust is equal to the weight of the water moved by the submerged part of the body and therefore is equal to 500N.
Hope this helps!
discuss the three consequences of lack of basic services in community
We have that the Three consequences of lack of basic services in community are
-Educational Impact
-Insecurity
-Poverty
Lack of basic services in community
There are many consequences that result from the lack of basic services in a community but i shall focus on these three as they are very major impacts
-Educational Impact
Basic service like Water,Electricity ,Mobility and close Proximity to market place has a major impact on the ability of a person pursue educational attainments.we live in a modern world and without power(as) electricity we can not do much of studying in this times
-Insecurity
The Human mind is built with a default setting of Survival.Without the basic services provide persons of low moral will tend to go into illegal acts to survive as the basic needs are necessary for survival
-Poverty
For a community to grow it is necessary that the right environment is made available for growth and if these requirements are not meet in form of basic services in community the community falls under the threat of falling into poverty
In conclusion
The Three consequences of lack of basic services in community are
-Educational Impact
-Insecurity
-Poverty
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When pressurizing your scuba system (i.e., turning the air on), you should:
A. Look directly at the submersible pressure gauge (SPG) to make sure the cylinder is full.
B. Hold the SPG facing down or away from you.
C. Keep at least one second stage purge button depressed.
D. None of the above
As a society, living sustainably means protecting Earth's natural capital and living on its natural income. True or False
Answer:
true
Explanation:
A car advertisement states that a certain car can accelerate from rest to 70 km/s in 7 seconds. Find the car’s average acceleration.
Please find attached photograph for your answer. Please do comment whether it is helpful or not.
91.0x26x504 ...............
Answer:
1192464
Explanation:
91.0 times 26 = 2366
2366 times 504 = 1192464
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imagine that you are in the outer space where gravitational pull and friction force are non-existent. if you throw a solid ball, what do you think will happen to the ball?
Answer:
It will go on forever and won’t stop moving
Explanation:
I think it will travel forever and will be slow in the process it won’t stop is what I think
The ball is hurled upward into space, it climbs steadily until it collides with an obstruction in its path.
What is gravitational force?All mass-bearing objects are attracted by gravitational force. Because it consistently attempts to bring masses together rather than push them apart, the gravitational force is referred to as attractive.
As we know, the gravitational force is given by:
[tex]\rm F = \dfrac{Gm_1m_2}{r^2}[/tex]
Where G is the gravitational constant.
m1 and m2 are masses.
r is the distance between the masses.
As we know,
There is no gravity in space, the ball is not subject to the effects of gravity. When a ball is hurled upward into space.
It climbs steadily until it collides with an obstruction in its path.
Thus, the ball is hurled upward into space, it climbs steadily until it collides with an obstruction in its path.
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BRAINLIEST : A car starts from rest and accelerates at a rate of 40 m/s2 over a time if 2.4 s. How fast is the car going at the end of this time interval?
Please explain
Answer:
[tex]\boxed {\boxed {\sf 96 \ m/s}}[/tex]
Explanation:
We are asked to find the final velocity of the car given the acceleration and time. We can use the following kinematics equation to calculate the final velocity.
[tex]v_f=v_i+(a \times t)[/tex]
The car starts from rest, so the initial velocity is 0 meters per second. It accelerates a rate of 40 meters per square second over a period of time of 2.4 seconds.
[tex]v_i[/tex]= 0 m/s a= 40 m/s²t= 2.4 sSubstitute the values into the formula.
[tex]v_f= 0 \ m/s + ( 40 \ m/s^2 \times2.4 \ s)[/tex]
Solve inside the parentheses.
40 m/s/s * 2.4 s = 40 m/s * 2.4=96 m/s[tex]v_f= 0 \ m/s + (96 \ m/s)[/tex]
Add.
[tex]v_f= 96 \ m/s[/tex]
The final velocity of the car is 96 meters per second.
Which option is a negatively charged ion?(1 point)
chlorate
chloride
chlorite
chlorine
Answer:
Explanation:
They all are except chlorine which has no charge.
chlorate is ClO3 -1
Chloride Cl-1
Chlorite is ClO2 - 1
All of them are minus one. If you mean which has a chloride ion with a charge of -1 that would be the chloride ion.
Answer:
Chloride
Explanation:
All Answers
Chloride
Valence electrons increase by one
How many energy levels it has
1-
Potassium and iodine
Liquid pressure is directly proportional to the 1. Volume 2. Mass 3. Density 4. Temperature
Answer:
density☺️☺️☺️
true or false
energy can neither be created nor be destroyed
Energy can be changed from one form to another, but it cannot be created or destroyed. The total amount of energy and matter in the Universe remains constant, merely changing from one form to another. ... In essence, energy can be converted from one form into another.
So , the answer is true
a system absorbs 35J of heat and in the process it does 11J of work if the initial internal energy is 205J a,what is the final internal energy b,the system follows a different thermodynamic path to the same final state and does 15J of work, what is the heat transferred ?
Answer:
[tex]a)uf = 205 + 35 - 11 \\ = 240 - 11 \\ = 229j \\ b)q(heat \: transferd) = 229 - 205 - 11 \\ = 24 - 11 \\ = 13j \\ thank \: you[/tex]
The heat transferred is
a) u f = 205+35-11
=240-11
= 229 j
b) q (heat transferred ) = 223-205-11
= 24-11
= 13 j
What is the difference between course and process in thermodynamics?
While a thermodynamic gadget passes thru an exchange in the state, a succession of states exceeded could be termed as a course of the device or direction of an alternate country. If the route of change of kingdom is completely distinctive, route of alternate of the nation may be termed as thermodynamic manner.
The technique is described via a direction, which is the non-stop collection of consecutive states via which the machine passes, consisting of the initial nation, the intermediate states, and the very last state. The process has a course along the course.
An asset whose price would not depend upon the course taken to attain that unique price is thought to as kingdom capabilities or point features. In contrast, those capabilities which do depend upon the direction from points are referred to as course features.
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Speed is measured by what SI units?
Answer:
Hi, There! The Correct Answer is Below!
unit of speed is the meter per second (m/s
Explanation:
Some Extra Information! :)
Speed is a measure of how fast something is travelling. The most common units of speed are metres per second (m/s), kilometres per hour (km/h) and miles per hour (mph). In a typical car journey the speed of the car will change. The distance divided by the time will calculate the average speed of the car.
___________________________________________________________
-DarkSpirit-
What is something that you would like to see a physicist develop in the future?
Answer:
teleportation (artificial or natural over wormholes )
Which equation correctly relates mechanical energy, thermal energy, and total
energy when there is friction present in the system?
A. Ethermal
Ethermal
=
ME
B. Ethermal = Etotal - ME
C. Ethermal = ME - Etotal
D. Ethermal = Etotal + ME
Answer:
B
This is because frictional energy is similar to thermal energy in a system. Therefore the thermal energy produced is equal to
name the different varieties of electrolytes used in alkaline button cells
Answer:
Potassium hydroxide
Explanation:
it is the standard electrolyte solution for alkaline cells
Give a reasonable order-of-magnitude estimate of the number of golf balls that would fill a home
swimming pool
An order of magnitude is a number of the form 10^n such that can be used to compare magnitudes or quantities.
We will find that the order of magnitude of golf balls that fill a home swimming pool is 10^6
In this case, we want to estimate the number of golf balls that would fill a home swimming pool.
We know that the diameter of a golf ball is D = 42.6mm = 0.0426m
And the volume of a sphere of diameter D is:
V = (4/3)*pi*(D/2)^3
where pi = 3.14
Then the volume of a single golf ball is:
V = (4/3)*3.14*( 0.0426m/2)^3 = 0.00004 m^3
Now we need to find the average volume of a home swimming pool, we can use 48 m^3 (an average one) to do the general math.
To find the number of golf balls that enter in that volume, we need to do the quotient between the volume of the pool and the volume of a single ball:
N = (48 m^3)/(0.00004 m^3) = 1,200,000
If we round this to the next order of magnitude: 10^6 (the exponent is the number of digits at the right of the one)
Then the order of magnitude of golf balls that enter in a home swimming pool is 10^6
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