Answer to Question #300183 in Physics for Phil

Question #300183

How many seconds would it take for a 4.50kw motor to raise a 175.kg boiler to a height of 15.0m?

Expert's answer

Given:

"P=4.50\\:\\rm kW"

"m=175\\:\\rm kg"

"h=15.0\\:\\rm m"

The required time

"t=\\frac{W}{P}=\\frac{mgh}{P}=\\frac{175*9.8*15.0}{4500}=5.72\\:\\rm s"

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