A student climbs vertically up a rope to a height of

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

Problem

50\,\text{kg}

student climbs vertically up a rope to a height of

6\,\text{m}

. If the power developed is

100\,\text{W}

(take

g = 10\,\text{m/s}^2

), find the time taken to reach the top. (a)

20\,\text{s}

(b)

45\,\text{s}

(c)

30\,\text{s}

(d)

15\,\text{s}