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Kinetic Energy
Page 9
Questions (2,150)
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
503 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
1,066 views
What is the kinetic energy of a 2,000 kg car that is moving at 72 km/h?
4 answers
asked by
Tiki
1,171 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
473 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
764 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
60 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
96 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
159 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
183 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
!
434 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
:)
460 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
:)
284 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
:)
281 views
What is one way to decrease the kinetic energy of a object?
3 answers
asked by
Anonymous
177 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
216 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
<(^-^)>
683 views
The speed if a bullet of mass 20g is 216km/hr what is its kinetic energy in joules
3 answers
asked by
Aisha
485 views
What is the kinetic erergy of a 20-kg dog thta is running at a speed m/s
1 answer
asked by
chase
316 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
379 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
711 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
975 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
539 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
1,977 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
617 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
1,035 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
870 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
1,762 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
1,951 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
98 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
80 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
93 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
145 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
4 answers
asked anonymously
214 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
293 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
348 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
200 views
Which state of matter would have the highest kinetic energy?
a Liquid b Gas c Solid
3 answers
asked anonymously
47 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
979 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
387 views
a boy of mass 100kg moves with a velocity 8m/s calculate its kinetic energy
3 answers
asked by
value
822 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
809 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
843 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
959 views
If the velocity of the car is increased to 45 km/hour, what is its kinetic energy?
1 answer
asked by
jennifer
433 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
4 answers
asked by
alba
1,671 views
A 7.00-kg bowling ball moves at 2.15 m/s. How fast must a 2.40-g Ping-Pong ball move so that the two balls have the same kinetic
3 answers
asked by
Michael
3,823 views
A racing car has a mass of 1770 kg.
The acceleration of gravity is 9.8 m/s2 . What is its kinetic energy if it has a speed of 133
3 answers
asked by
Youthers
912 views
john is walking at such speed so that his kinetic energy is 20 J, what is his speed? It started to rain John runs at a rate of
4 answers
asked by
Charlotte
458 views
A car is moving at 36 miles per hour. The
kinetic energy of that car is 5 × 105 J. How much energy does the same car have when
2 answers
asked by
Maya
954 views
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