if an engine does 500,000 jouls of work in 30 seconds , how much power did it use?​

Sagot :

[tex]\tt{\huge{\blue{Explanation:}}}[/tex]

The power of an object doing a work W in a given time t is given by

[tex]\boxed{P = \frac{W}{t}}[/tex]

where:

P = power

W = work

t = time

[tex]\tt{\huge{\red{Solution:}}}[/tex]

Solving for P

[tex]P = \dfrac{W}{t}[/tex]

[tex]P = \dfrac{\text{500,000 J}}{\text{30 s}}[/tex]

[tex]\boxed{P = \text{16,666.67 W}}[/tex]

Therefore, the amount of power used by the engine is 16,666.67 W.

Other Answers:

  • 1.67 × 10⁴ W
  • 16.67 kW

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