Question

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

Answer 1

$\huge \sf \red {Answer - 50kg}$

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Answer 2

Correct Question :-

A man carries a load of 50 kg through a height of 40 m in 25s. If the power of the man is 1568W , then find his mass? ( Take g = 10 m/s²)

Answer

Given :-

• Mass of load = 50 lg
• Height = 40 m
• Time = 25 s
• Power = 1568 W
• Acceleration due to gravity = 10 m/s²

To find :-

Mass of man -

Solution :-

$\sf P = \frac{mgh}{t}$

$\sf 1568 = \frac{(50 + m_m) \times 40 \times 10}{25}$

$\sf 50 + m_m = 98$

$\sf m_m = 48$

Mass of man = 48 kg