As per your syllabus, a weightlifter lifts a 75 kg mass by 2 m in 5 se…

Question

As per your syllabus, a weightlifter lifts a 75 kg mass by 2 m in 5 seconds (taking g = 10 m/s²). What POWER does she require?

Accepted Answer

C. 300 W (= 1500 J / 5 s)

As per your syllabus, W = mgh = 75 × 10 × 2 = 1500 J. P = W/t = 1500 / 5 = 300 W.

Answer

75 W

Answer

150 W

Answer

1500 W

As per your syllabus, a weightlifter lifts a 75 kg mass by 2 m in 5 seconds (taking g = 10 m/s²). What POWER does she require?