A 700-watt gasoline engine and a 300-watt electric motor both do 3 J of work. Which machine can do the work faster? Explain your answer.

Question

Zachery Fitzgerald

Physics

13 November, 20:06

A 700-watt gasoline engine and a 300-watt electric motor both do 3 J of work. Which machine can do the work faster? Explain your answer.

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Answers (1)

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Brett Hawkins · Answer 1

700 W gasoline engine do the work faster than electric motor.

What define time of execution of a work is power.

If gasoline engine has 700 W so it is faster than electric motor that has only 300 W