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How much power is required to lift a 60 kg bed to the top of a 3 meter flight of stairs in 10 seconds?
A.17.6 W
B.176 W
C.1760 W
D.17600 W

Respuesta :

Answer:

176.58Watts

Explanation:

Power= work done /time

Where mass(m)=60kg

Height (h) =3m

Time(s)=10s

Force of gravity = 9.81m/s^2

Power=mgh/t

Power= (60kg) * (9.81m/s^2) * (3m)/10s

Power= 176.58Watts

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