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Kinetic Energy
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Questions (2,128)
What is the Kinetic Energy of a 155 kg object that is moving at a speed of 20 m/s?
1 answer
asked by
no name
68 views
Which phases a good description of kinetic energy?
Energy of motion Stored energy Conserved energy Energy from the sun This is
7 answers
asked by
8th grader
2,247 views
Which object has the greatest kinetic energy?
A: a truck with a mass of 3,500 kg moving at 30 m/s B: a person with a mass of 73
6 answers
asked by
bruh
772 views
1. A 60-kg cheetah reaches a speed of 30 m/s as it chases its prey.What is the kinetic energy of the cheetah?
A.900 j B. 1,800 j
72 answers
asked by
annabelle
16,581 views
Mr.starr pushed a cart full of groceries to his car after emptying the cart,he pushed it back to the store he pushed the cart at
3 answers
asked by
:)
559 views
two city buses are traveling at 24 mph the buses are the same model and year one bus has 30 passengers. the other bus has twelve
5 answers
asked by
:)
571 views
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
3,056 views
1. How do you calculate kinetic energy (what is the formula)
2. A 700-kg vehicle is traveling at a speed of 6 m/s. How much
6 answers
asked by
Khaliyl R Testman
1,811 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
147 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
324 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
72 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
4,213 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
682 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
14,745 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
4,547 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
460 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
1,104 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
115 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
1,161 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
:)
491 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
3,158 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
2,278 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
:)
320 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
65 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
100 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
209 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
206 views
Which substance shown has the greatest kinetic energy at room temperature (~25°C)?
(1 point) Responses silicon silicon methane
4 answers
asked anonymously
40 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
103 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
2,008 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
:)
376 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
2,418 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
1,259 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
860 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
3,004 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
2,002 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
4,420 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
9,800 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
2,408 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
4,939 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
3,814 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
4,239 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
2,991 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
7,132 views
Find the minimum kinetic energy needed for a 3.7×104-kg rocket to escape the Moon.
4 answers
asked by
Randy
1,697 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
4,837 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
2,276 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
2,792 views
A 5.6kg bowling ball is rolled down a lane at 3.0m/s. What is the bowling balls Kinetic Energy.
4 answers
asked by
Gavin
321 views
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