A kid slides down an icy (frictionless) hill starting from rest. At the top his gravitational potential energy is 500 J.He slides part way down the hill to a point where his gravitational potential energy is 200 J. His kinetic energy at that point will be

a. 200 J.
b. 300 J.
c. some unknown value between 0 and 500 J.
d. none of the above.


b

Physics & Space Science

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