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Kinetic Energy
Page 5
Questions (2,150)
4.how does the kinectic energy of a 10,000-kg train traveling at a speed of 10 m/s compare with that of a 2,600-kg compact car
11 answers
asked by
annabelle
3,061 views
Which is an example of a student using critical thinking to study kinetic energy?(1 point)
Responses Abe evaluates his
4 answers
asked by
fffff
646 views
The student says that a ball dropped from a height of 3.0 meters would have less than 96 joules of kinetic energy when it hits
2 answers
asked by
Kappa
149 views
A person throws a ball up into the air, and the ball falls back toward Earth. At which point would the kinetic energy be the
3 answers
asked by
HELP ME PLZ
334 views
The student says that a ball dropped from a height of 3.0 meters would have less than 96 joules of kinetic energy when it hits
11 answers
asked by
peppy
75 views
a jogger with a mass of 60.0kg is moving at a speed of 3.0m/s. what is the jogger's kinetic energy?
KE=270 joules Can you show me
6 answers
asked by
Duane
4,217 views
What does an object’s kinetic energy depend on?(1 point)
Responses its speed and trajectory its speed and trajectory its mass
1 answer
asked by
rt
153 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
7 answers
asked by
bubbles2023
686 views
Kinetic energy is transferred from a bowling ball to a bowling pin, causing the pin to fly away at a much higher speed than the
36 answers
asked by
Anonymous
14,753 views
What is the kinetic energy of a 29 kg dog that is running at a speed of 8.8 m/s (about 20 mi/h)?
4 answers
asked by
Liz
4,550 views
Kinetic Energy Transfer Quick Check
3 of 53 of 5 Items Question What is the relationship between kinetic energy and
4 answers
asked by
social studies
464 views
A stone held above the ground has potential energy. When the stone is dropped, potential energy is converted to _________
5 answers
asked by
ej
1,108 views
Which object will have particles with the highest average kinetic energy?(1 point)
Responses water at 37°C in a glass an iceberg
1 answer
asked by
brielle
116 views
Paul road his bike from the bottom of his street to his friend’s
house at the top of the hill on his street. He knew his PE was
10 answers
asked by
Anon
1,165 views
how could you use a creative thinking to show the relationship between velocity and kinetic energy
read about kinetic energy in
3 answers
asked by
:)
494 views
Two 3.0g bullets are fired with speeds of 40.0 m/s and 80.0 m/s respectively. What are their kinetic energies? Which bullet has
4 answers
asked by
Cory
3,161 views
A 5.0 kg bowling ball is rolling down the lane at 4.0 m/s. What is the kinetic energy of the bowling ball?
a. 40 J b. 50 J c. 80
4 answers
asked by
like
2,280 views
which of the following is an example of kinetic energy?
A a lamp sitting on a table B a rubber band streched out C a bowling ball
10 answers
asked by
hello
2,919 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
:)
322 views
The student says that a ball dropped from a height of 3.0 meters would have less than 96 joules of kinetic energy when it hits
2 answers
asked by
Noobz
67 views
Which object will have particles with the highest average kinetic energy?(1 point)
Responses a drop of water at 90°C a drop of
2 answers
asked anonymously
101 views
A person throws a ball up into the air, and the ball falls back toward Earth. At which point would the kinetic energy be the
1 answer
asked by
Milly
212 views
9. A student drops a ball from three different heights, as shown. For each drop, she calculates what the kinetic energy of the
2 answers
asked by
Momof3A's
208 views
Which substance shown has the greatest kinetic energy at room temperature (~25°C)?
(1 point) Responses silicon silicon methane
4 answers
asked anonymously
41 views
The table shows the kinetic energy of six balls rolling on the ground.
Ball----Velocity(m/s)---Mass(kg)---Kinetic Energy(J)
2 answers
asked by
Momof3A's
106 views
A student drops a 350-gram rock and a 500-gram rock into a pool from a height of 8 meters. Which statement about the
7 answers
asked by
Addison
2,015 views
A softball player hits a ball at 78 miles per hour then she hits a ball at 80 miles per hour which is the best prediction
the
4 answers
asked by
:)
380 views
if a body of a mass 4kg is acted upon at constant force of 12n at 2sec,calculate the kenetic energy gain by the body.
7 answers
asked by
MUSA AUDU
2,419 views
A small dog is trained to jump straight up a distance of 1.1 m. How much kinetic energy does the 7.7-kg dog need to jump this
5 answers
asked by
Allie
1,262 views
Which object has kinetic energy?(1 point)
Responses battery in a remote-control car battery in a remote-control car soccer ball
5 answers
asked by
No one
274 views
a 7.00 kg cannonball is travelling at a velocity of 75.0 m/s at a height of 80.0 m. what is its kinetic energy?
A) 39,400 J B)
5 answers
asked by
Help
863 views
A 20 kg dog has 250 J of kinetic energy as it chases after a cat. The dogs velocity is
A) 5 m/s B) 250 m/s C) 12.5 m/s D) 25 m/s
5 answers
asked by
help
3,006 views
How does the total kinetic energy of a cannon and cannonball system change as the mass of the cannon increases and the energy of
5 answers
asked by
help
2,004 views
The kinetic energy of a rolling billiard ball is given by KE=1/2mv2. Suppose a 0.17-kg billiard ball is rolling down a pool
5 answers
asked by
meghan
4,901 views
The kinetic energy K of an object of mass m moving at a speed v is defined as K=(1/2)mv^2. It seems reasonable to say that the
5 answers
asked by
mohd
4,422 views
As a box is pushed 30 meters across a horizontal floor by a constant horizontal force of 25 newtons, the kinetic energy of the
5 answers
asked by
Shannon
9,805 views
A small glider is placed against a compressed spring at the bottom of an air track that slopes upward at an angle of 38.0 ∘
4 answers
asked by
Rashid
2,411 views
A 1200-kg frictionless roller coaster starts from rest at a height of 24 m. What is its kinetic energy when it goes over a spot
4 answers
asked by
Bob
4,941 views
A 100 L flask contains a mixture of methane and argon gasses at 25 degree C . The mass of argon present is 228 g and the mole
4 answers
asked by
mathew
3,819 views
A 23-kg child is sliding on an icy surface toward her mother at 3.0 m/s. Her 70-kg mother starts toward her at 2.0 m/s,
5 answers
asked by
Tori
4,245 views
What is the speed ratio (vA/vB) if particle A has 6 times the kinetic energy and half the mass of particle B?
3.46 1.73 2.45
4 answers
asked by
Speed Ratio
2,993 views
Two cars are moving. The first car has twice the mass of the second car, but only half as much kinetic energy. Then, both cars
5 answers
asked by
Vladimyr
7,135 views
Find the minimum kinetic energy needed for a 3.7×104-kg rocket to escape the Moon.
4 answers
asked by
Randy
1,700 views
A 7.0 kg bowling ball moves at 2.40 m/s. How fast must a 2.60 g Ping-Pong ball move so that the two balls have the same kinetic
4 answers
asked by
Kc
4,841 views
A racing car has a mass of 1970 kg.
The acceleration of gravity is 9.8 m/s^2. What is its kinetic energy if it has a speed of 102
4 answers
asked by
anna
2,282 views
We can calculate the kinetic energy of any moving object with a very simple formula: kinetic energy = 1/2 mv^2 ,where m is the
5 answers
asked by
Isabelle
2,796 views
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
2,572 views
The kinetic energy of a 4 kg object moving at 3 m/s is _______ J.
4 answers
asked by
Amber
1,590 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
2,089 views
determine the kinetic energy of a boy mass 40kg running with velocity of 3m/s
4 answers
asked by
energy
1,321 views
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