What is the maximum height a 100-w engine can lift a 100-kg man in 3.00 minutes?

18.4 m

Explanation:

The force that the engine must apply at least to lift the man must be equal to the weight of the man:

The work done by the engine is the product of the force applied, F, and the height at which the man is lifted, h:

(1)

while the power of the engine is defined as:

where

P = 100 W

t = 3.00 min = 180 s

From this equation, we find the work:

And solving (1) for h, we find the maximum height:

the moon affects the earth gravitation ally, causing certain motions of that body and also producing tides in its ocean and atmosphere. the tidal wave in our atmosphere is, however, far too minute to be an effective cause in any known meteorological phenomenon.

explanation: