Question #d93a0
1 Answer
Oct 2, 2016
I got:
Explanation:
Consider that power is the rate of energy "consuption/use" with time.
To raise our body we need to supply an energy equal to the Gravitational Potential Energy stored in reaching an height of
i.e. we need to overcome, at least, the gravitational force (Weight) of the body.
We get:
The Power will then be: