Question

4) A man lifts a 6Kg box and walked up a hill that is 200m long and 30m high. He reached there

in 2 minutes.
a) the work done by the man on the box
b) the power of the man

Answer 1

14.7 W

Step-by-step explanation:

W = Fd = (6 kg)(9.8 m/s²)(30 m) = 1764 J

P = W/t = (1764 J) / ( 2min · 60 s/min) = 14.7 Watts