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Kinetic Energy
Page 9
Questions (2,128)
Find the Kinetic energy (in keV) of 12 6 C atom of mass 12.0 u whose speed is 2 x 10^6 m/s.
2 answers
asked by
Sheryl
784 views
A racing dog is initially running at 20.0 , but is slowing down.
Q1. How fast is the dog moving when its kinetic energy has been
3 answers
asked by
nancy
662 views
Sorry for re-posting but I really need to know if I did it right. Please someone help!
Two 3.0g bullets are fired with speeds of
3 answers
asked by
Cory
592 views
A racing dog is initially running at 15.0 m/s, but is slowing down.How fast is the dog moving when its kinetic energy has been
3 answers
asked by
Andrea
668 views
a hammer falls off a roof and strikes the ground with a certain amount of kenetic energy. if it fell from a roof twice, would
3 answers
asked by
ashley
1,185 views
hi,need help please.thank.
A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 2.00 m and
2 answers
asked by
Chan
731 views
A 0.34 kg particle has a speed of 2.0 m/s at point A and kinetic energy of 7.5 J at point B.
(a) What is its kinetic energy at A?
2 answers
asked by
Chan
500 views
an object held in the air has a gpe of 470 J. the object then is dropped. halfway down, what is the objects kinetic energy?
3 answers
asked by
kyle
1,063 views
What is the kinetic energy of a 2,000 kg car that is moving at 72 km/h?
4 answers
asked by
Tiki
1,170 views
what is the difference between the average kinetic energy of an object and the total kinetic energy of an object?
2 answers
asked by
Lauren
471 views
An outfielder throws a .150 kg baseball at a speed of 40.0 m/s and an initial angle of 30 degrees. What is the kinetic energy of
3 answers
asked by
Anonymous
762 views
An object with a mass of 5 kg is moving at a speed of 10 m/s, another object with of mass of 10 kg is moving at a speed of 5 m:s
3 answers
asked anonymously
59 views
wo students are conducting an experiment to test how height affects Kinetic Energy by measuring the splash size of water drops
3 answers
asked by
umt
95 views
Two objects with equal masses are in motion. Which object will have more kinetic energy?
1. The object with the greater volume 2.
3 answers
asked by
Lori
155 views
A shark was swimming at 5 meters per second. When it sensed a tuna, the shark began swimming at 10 meters per second. Which is
3 answers
asked by
EERREE
180 views
How can a stationary metal sphere have kinetic enrgy, the energy of motion
the metal is made of atoms, which store potential
4 answers
asked by
!
428 views
A roller coaster is at the top of a 62 meter hill the car and its passengers have a total mass of 1,088 kilograms. by the time
3 answers
asked by
:)
455 views
a micrometeor has a mass of 0.005 when it enters earth atompshere it travels at 21,000 meters per second. what its kinetic
4 answers
asked by
:)
281 views
what does an object's kinetic energy depend on
Its potential energy its mass and speed its weight and speed its speed and
3 answers
asked by
:)
269 views
What is one way to decrease the kinetic energy of a object?
3 answers
asked by
Anonymous
176 views
The speed of a bullet of mass 10g is 720km\h.calculate the kinetic energy of the bullet in joules
3 answers
asked by
Ayomide
213 views
On sledding hills, there are often rules against having many people sled down at the same time together. Why is that? (1 point)
T
4 answers
asked by
<(^-^)>
681 views
The speed if a bullet of mass 20g is 216km/hr what is its kinetic energy in joules
3 answers
asked by
Aisha
483 views
What is the kinetic erergy of a 20-kg dog thta is running at a speed m/s
1 answer
asked by
chase
312 views
What is the speed of a proton whose kinetic energy is 36.0 MeV?
I don’t know if I did my calculations right but V^2 I got 6.89
4 answers
asked by
Amy
375 views
When a car's speed doubles from 20 m/s to 40 m/s, by how many times does the car's kinetic energy increase? Show your work. The
3 answers
asked by
anonymos
710 views
A wheel has a thin 3.0 kg rim and four spokes each of mass 1.32kg. Find the kinetic energy of the wheel when it rolls at 6.0 m/s
2 answers
asked by
Anonymous
973 views
Find the percentages of the total kinetic energy associated with rotation and translation for the following objects that are
3 answers
asked by
MUHAMMAD JUNAID
536 views
Two identical masses are moving down a slope. One mass is traveling twice as fast as the other mass. How does the kinetic energy
3 answers
asked by
Mel❤nie
1,975 views
According to the work-energy theorem, in the absence of friction, if you do 100J of work on a cart while pushing it across a
4 answers
asked by
Tb
614 views
You do 30J of work to load a toy dart gun. However, the dart is 10cm long and feels a frictional force of 10N while going
3 answers
asked by
Anonymous
1,033 views
A piece of iron has a temperature of 0 zero degrees Celsius. At what temperature would the iron atoms have twice as much kinetic
3 answers
asked by
Anonymous
861 views
Calculate the speed of an 90,000 kg airplane with a kinetic energy of one billion Joules.
What is the mass of a car that has a
4 answers
asked by
Anon
1,758 views
which of the following is true about kinetic energy select all that apply
A as an objects speed increases kinetic energy
3 answers
asked by
Katie
1,947 views
A skydiver jumps out of a plane and begins to accelerate. His speed increases to 20 m/s, then 30 m/s. His acceleration slows
3 answers
asked by
somthin wrong
96 views
A skydiver jumps out of a plane and begins to accelerate. His speed increases to 20 m/s, then 30 m/s. His acceleration slows
3 answers
asked anonymously
79 views
A wildlife keeper is trying to catch an escaping rabbit. Who has the greater kinetic energy, the rabbit or the wildlife keeper?
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3 answers
asked anonymously
92 views
A large truck and a small car are moving at the same speed, traveling up and down hills, and over bumpy roads. Which one has
3 answers
asked anonymously
144 views
Predicting Changes in Kinetic Energy Quick Check
3 of 53 of 5 Items Question Which object has the greatest kinetic energy?(1
3 answers
asked by
somthin wrong
285 views
Predicting Changes in Kinetic Energy Quick Check
2 of 52 of 5 Items Question A large truck and a small car are moving at the same
3 answers
asked by
somthin wrong
346 views
You are told 3 things...1. That there are two objects with equal masses. 2. Both objects are in motion. 3. One object has a
3 answers
asked by
somthin wrong
198 views
Which state of matter would have the highest kinetic energy?
a Liquid b Gas c Solid
3 answers
asked anonymously
44 views
A wreaking ball has a mass of 315 kg. It it is moving at a speed of 5.12 m/s what is its kinetic energy?
3 answers
asked by
Mileena
978 views
A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2-kg dog need to jump this
4 answers
asked by
sophia
611 views
How much kinectic energy does a ball have when it is 25 meters from the ground with the potential energy of 1470J
3 answers
asked by
Gail
385 views
a boy of mass 100kg moves with a velocity 8m/s calculate its kinetic energy
3 answers
asked by
value
820 views
A 50 kg pole vaulter has a horizontal velocity of 8 m/s at the completion of her approach run, and her center of gravity is 1.0
3 answers
asked by
anonymous
805 views
What is the kinetic energy of 0.5 kg soccer ball that is travelling at a velocity of 3m/s?
2 answers
asked by
Anonymous
842 views
A mass of 2kg is dropped from a height of 3m.Neglecting air resistance,KE of the stone just b4 it hits the ground is ?
4 answers
asked by
EMMANUEL
958 views
If the velocity of the car is increased to 45 km/hour, what is its kinetic energy?
1 answer
asked by
jennifer
429 views
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