Answer:
56 W
Explanation:
Power: This can be defined as the rate at which work is done. The S.I unit of power is Watt(W). The Formula of power is given as,
P = W/t
or
P = mgh/t ...................... Equation 1
Where P = power, m = mass of the woman, g = acceleration due to gravity, h = height, t = time.
Given: m = 60 kg, g = 9.8 m/s², h = 4.0 m, t = 4.2 s.
Substitute into equation 1
P = 60(4)(9.8)/4.2
P = 235.2/4.2
P = 56 W.
Hence the average power supplied by the woman = 56 W
