What average mechanical power (in W) must a 69.0 kg mountain climber generate to climb to the summit of a hill of height 305 m in 48.0 min

Question

asked Nov 19, 2021 43.4k views

1 Answer

Skink · Answer 1 · 2021-11-23T16:26:24+0000

Answer: Power= 71.61W

Step-by-step explanation:

POWER = Work done / Time

But Work done = Gravitational Potential energy

= Mgh

Therefore Power = Mgh/ t

g= 9.8m/s

Where t in mins to secs becomes 48.0x 60=2880 secs

Power= 69x 9.8 x 305/ 2880

=206,241/2880

71.61W