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Kinetic Energy
Page 6
Questions (2,128)
a 20 kg rock is on the edge of a 100 m cliff . the rock falls from the cliff , what is its kinetic energy just before it hits
5 answers
asked by
bob
2,571 views
The kinetic energy of a 4 kg object moving at 3 m/s is _______ J.
4 answers
asked by
Amber
1,589 views
A sledder has 800 J of potential energy and 200 J of kinetic energy at one point on a steep hill. How much kinetic energy will
4 answers
asked by
Rickyia
2,085 views
determine the kinetic energy of a boy mass 40kg running with velocity of 3m/s
4 answers
asked by
energy
1,319 views
What is the speed of a proton whose kinetic energy is 5.6 keV ?
4 answers
asked by
Manny
732 views
A racket exerted an average force of 152.0 N on a ball initially at rest. If the ball has a mass of 0.070 kg and was in contact
6 answers
asked by
Maria
2,021 views
A 0.5 kg air-hockey puck is initially at rest. What will its kinetic energy be after a net force of 0.8 N acts on it for a
4 answers
asked by
Tammy
1,526 views
Two objects have the same kinetic energy. One has a speed that is 3.0 times greater than the speed of the other. What is the
4 answers
asked by
cbrown
1,883 views
Which of the following has the most kinetic energy ? a car traveling at 20 km/h a tractor traveling at 20 km/h bicycle traveling
4 answers
asked by
Science
1,115 views
a motorbike has a mass of 300kg, and is being ridden along a straight road. The rider sees a traffic queue ahead. He applies the
4 answers
asked by
Eli
891 views
WHAT IS THE KINETIC ENERGY OF A BALL WITH THE MASS OF 5KG ROLLING AT 10M/S
5 answers
asked by
TRISHA
4,739 views
The driver of a car slams on her brakes to avoid colliding with a deer crossing the highway. What happens to the car's kinetic
4 answers
asked by
lau
1,587 views
A bowling ball of mass 7.3 kg and radius 9.6 cm rolls without slipping down a lane at 3.4 m/s. Calculate its total kinetic
4 answers
asked by
Anonymous
2,943 views
An automobile traveling at 25km/hour has kinetic energy equal to 1x10 to the fourth power J. What is the mass of the car?
K.E. =
3 answers
asked by
Sharon kay
1,006 views
A bowling ball has a mass of 7.0 kg, a moment of inertia of 2.8 × 10−2 kg⋅m2 and a radius of 0.10 m. If it rolls down the
4 answers
asked by
_-KIRA-_
6,794 views
A 65.0-kg runner has a speed of 5.20 m/s at one instant during a long-distance event. (a) what is the runner's kinetic energy at
5 answers
asked by
corey
5,334 views
the speed of a bullet of mass is 40gram is 216km/h what is the kinetic energy in joule
7 answers
asked by
dayo
2,954 views
A bullet of mass 40g is moving with a speed of 216 km/h calculate it kinetic energy
5 answers
asked by
don maddie
1,393 views
A model drag car is being accelerated along its track from rest by a motor with a force of 75N, but there is a drag force of 30N
4 answers
asked by
Anonymous
2,480 views
Does the kinetic energy of a car change more when it speeds up from 10 to 15 m/s or from 15 to 20 m/s? Explain.
4 answers
asked by
Anonymous
1,063 views
Jill runs 100 m in 15.0 s. Jon speedwalks 100 m in 30.0 s. If Jill and Jon have the same mass, then Jill's kinetic energy would
5 answers
asked by
bean
922 views
You pull a sled across a horizontal frictionless patch of snow. If your pulling force is in the same direction as the sled's
4 answers
asked by
Marcus
2,894 views
A 20 kg child on roller skates, initially at rest, rolls 4 m down an incline at an angle of 30 degrees with the horizontal. If
4 answers
asked by
julia
1,252 views
A micrometeor has a mass of 0.005 grams. When it enters Earth’s atmosphere, it travels at 21,000 meters per second. What is
4 answers
asked by
A
265 views
Object Mass (grams)
table tennis ball 2.7 baseball 147.0 small rock 248.2 penny 2.5 A student drops the four objects listed from
4 answers
asked by
leah
262 views
The velocity of a moving object is 5 m/s, and its kinetic energy is 500 J. If the velocity of the object doubles, what would be
4 answers
asked by
Anonymous
749 views
a jeepney of a mass 1500kg is travelling at a speed of 20m/s (about 70km/h)
a. what is the kinetic energy of the jeepney?
5 answers
asked by
Nialleen
2,006 views
Block A (mass 40 kg) and block B (mass 80 kg) are connected by a string of negligible mass as shown in the figure. The pulley is
3 answers
asked by
Diego
915 views
Two cars collide head on while each is travelling at 80 km/hr. Suppose all of their
kinetic energy is transformed into thermal
4 answers
asked by
Francesca
4,924 views
The kinetic energy of a rolling billiard ball is given by {\rm{KE}} = 1/2\,mv^2 . Suppose a 0.17-{\rm kg} billiard ball is
4 answers
asked by
Katherine
1,514 views
In the figure, potential energy is being converted into kinetic energy from
A) point A to point B B) point B to point C C) The
6 answers
asked by
-_- your local hobo stove
2,207 views
A car is moving at 53 miles per hour. The kinetic energy of that car is 5 × 105 J.
How much energy does the same car have when
4 answers
asked by
Edgar
1,897 views
A 30-caliber rifle with a mass of 3.54 kg fires a 7.33- g bullet with a speed of 596 m/s with respect to the ground. What
4 answers
asked by
Ann
831 views
A pile driver of mass 1000kg,hits a post 3m below it.It moves the post 10mm.Assuming gravity=10m/s,what is the kinetic energy of
4 answers
asked by
peter
1,348 views
Using the image below, figure out the kinetic energy of each vehicle.
Truck: 6000 kg 92km/h Car:1200 kg 100km/h
4 answers
asked by
R
138 views
A hawk is chasing a sparrow. At the beginning of the chase, the hawk’s kinetic energy is 5.1 Joules. At the end of the chase,
4 answers
asked anonymously
151 views
What is true about kinetic energy and the mobility of solid, liquid, and gas particles?
The average kinetic energy of the
4 answers
asked by
Anonymous
2,335 views
If a 50kg cheeetah had kinetic energy of 18,000 joules , how fast is the cheetah running?
4 answers
asked by
Grace
1,806 views
Two balls of equal masses roll with velocities v and 4v,respectively .What is the ratio of their Kinetic Energies?
4 answers
asked by
Aman
1,174 views
find the kinetic energy of an 8kg mass moving at 5m/s
4 answers
asked by
shellie
1,721 views
Use the table to answer the question.
Before After m1=1.0 kg m2=2.0 kg m1=1.0 kg m2=2.0 kg v1=2.0 m/s v2=−1 m/s v1=−2.0 m/s
4 answers
asked by
Hewitt
182 views
A student drops the four objects listed from a height of 2 meters into a bucket of water. Which object will have the greatest
4 answers
asked by
Anonymous
394 views
A body of mass 10kg is acted on by a constant force of 20n for 3 second calculate the kinetic energy at the end of the time
3 answers
asked by
Halima
1,166 views
A motorcycle and a bus are moving with the same momentum.Which of them have greater kinetic energy ?
5 answers
asked by
ABHINA B R
5,877 views
a body of mass 5kg falls from a height of 10m above the ground. what is the kinetic energy of the body just before it strikes
4 answers
asked by
richie
1,645 views
A bowling ball of mass 7.45 kg is rolling at 2.56 m/s along a level surface.
(a) Calculate the ball's translational kinetic
3 answers
asked by
alba
679 views
1) The kinetic energy of an object depends on which of the following?
A. the object’s mass and direction B. the object’s
10 answers
asked by
dark1
1,673 views
The driver of an 800.0 kg car decides to double the speed from 25.0 m/s to 50.0 m/s. What effect would this have on the amount
4 answers
asked by
veeda
1,426 views
Two carts, one twice as heavy as the other, are at rest on a horizontal frictionless track. A person pushes each cart with the
4 answers
asked by
Joe
1,481 views
find the kinetic energy of an airplane traveling at a speed of 648 km/h if the mass of the airplane is 5,000 kg.
4 answers
asked by
wayne
902 views
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