Machine M does 600 J of work in 20 s. Machine N does 900 J of work in 15 s. Which statement is correct?

Question

Machine M does 600 J of work in 20 s. Machine N does 900 J of work in 15 s. Which statement is correct? — Exam MCQ

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C. Machine N develops twice the power of Machine M. — The correct choice is Machine N develops twice the power of Machine M.. It follows from the relevant Newtonian mechanics, motion, work, energy, power or simple-machine relationship.

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A. Both machines develop the same power.

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B. Machine M develops greater power.

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D. Machine N develops 1.5 times the power of Machine M.

Machine M does 600 J of work in 20 s. Machine N does 900 J of work in 15 s. Which statement is correct?

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