What would its power be if the same work could be done in half the time?

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What would its power be if the same work could be done in half the time?

The power of a machine is 60 J/s. This machine is scheduled for design improvements. What would its power be if the same work could be done in half the time>?

2007-03-08 13:15:33 · 3 answers · asked by Vy-Vy 3 in Science & Mathematics ➔ Engineering

3 answers

Twice the power (since that is the definition of power - work done per unit time).

2007-03-08 13:18:31 · answer #1 · answered by Rich Z 7 · 2⤊ 1⤋

It would be 120 J/s. This is how to calculate:

Power = 60J / (1/2)s = 120 J/s

2007-03-08 21:30:13 · answer #2 · answered by tracy 2 · 1⤊ 0⤋

It would be doubled.

P=W/t
P=60/0.5
P=120 j/s

2007-03-09 01:12:12 · answer #3 · answered by Anonymous · 0⤊ 0⤋