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25 questions
A marble rolls down a hill. The marble has a mass of 1 kg and rolls at a rate of 2 m/s. What is the kinetic energy of the marble as it rolls?
4 J
16 J
2 J
0.5 J
Which of the following is NOT an example of kinetic energy?
A football being kicked for a field goal
A dancer leaping across the stage
A roller coaster slowing to the finish
An apple sitting on your desk
What is the kinetic energy formula?
KE = mass x speed
KE = 0.5 x mass x speed
KE = 0.5 x mass x speed2
KE = distance / time
Is there more kinetic energy when a roller coaster is at the top of a hill or when it has reached the bottom of the hill?
Top of the hill
Bottom of the hill
Same kinetic energy at both points
This is not an example of kinetic energy
How much potential energy does a 10 N object have if it is 10 m above the ground?
10 J
100 J
1000 J
1 J
How much potential energy does a 5 Kg object have if it is 2 m above the ground?
10 J
100 J
1000 J
1 J
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