Home
Class 11
PHYSICS
A man carries a load of 50 kg to a heigh...

A man carries a load of 50 kg to a height of 40 m is 25s. If the power of the man is 1568 W, the mass of the man is

A

20 kg

B

50 kg

C

100 kg

D

75 kg

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A man raises a box of mass 50 kg to a height of 2 m 10 s,while another man raises the same box to the same height in 50 s. (a)Compare :(i)the work done ,and (ii)the power developed by them . Take g=10 N kg^(-1)

A man carries a load of 5 kg on his head through a distance of 10 m. the minimum amount of work is done when he

A man weighing 100 kg carriesa load of 10kg on his head. He jumps from a tower with the load on his head. What will be the weight of the load as experienced by the man?

A man of mass M stands at one end of a plank of length L Which lies at rest on a frictionless surface . The man walks to the other end of the plank. If the mass of the plank is 3M, the distance that the man moves relative to the ground is

A man carries a load on his head through a distance of 5 m. The maximum amount of work is done when he

A body of mass m kg lifted by a man to a height of one metre in 30 sec . Another mass lifted the same mass to the same height in 60 sec . The work done by then are them are in the ratio.

A body of mass m kg lifted by a man to a height of one metre in 30 sec . Another mass lifted the same mass to the same height in 60 sec . The work done by then are them are in the ratio.

A box of 50 kg is lifted by a man of mass 60 kg to a height of 50 m. Calculate the work done by the man.

A man of mass M stands at one end of a stationary plank of length L, lying on a smooth surface. The man walks to the other end of the plank. If the mass of the plank is M//3 , the distance that the man moves relative to the ground is

A man of mass M stands at one end of a stationary plank of length L, lying on a smooth surface. The man walks to the other end of the plank. If the mass of the plank is M//3 , the distance that the man moves relative to the ground is