Question

A weight lifter lifts 300 kg from the ground to a height of 2 meter in 3 second. The average power generated by him is

• A. 5880 watt
• B. 4410 watt
• C. 2205 watt
• D. 1960 watt

Answer 1

Answer: (D)

1960 watt

Answer 2

P$= \frac { \text { Workdone } } { \text { Time } }$= $\frac { m g h } { t }$

$= \frac { 300 \times 9.8 \times 2 } { 3 } = 1960 \mathrm {~W}$