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What is a kinetic energy?

I need to choose from these options which one describes a kinetic energy

a person standing at the top of the hill

b.a bow pulled back

c.a rollercoaster moving down the hill

d.a ball sitting in the grass
asked Jul 31, 2017 in Physics by Jordon

1 Answer

rollercoaster moving down the hill is the right answer, as kinetic energy is always an action
answered Jul 31, 2017 by quickwriter (2,510 points)