A sled starts from rest at the top of a frictionless slope high

PHYSICS · Single correct · CBSE · Physics · Work and Energy · Work and Energy

Problem

10\,\text{kg}

sled starts from rest at the top of a frictionless slope

5\,\text{m}

high. When it has descended to a point that is

2\,\text{m}

above the ground, what is the ratio of its kinetic energy to its gravitational potential energy at that instant? (a)

2:3

(b)

1:1

(c)

3:2

(d)

5:2