Answered

A 100 W engine generates 100 J of energy. How long did it run for?

Answer :

Answer:

1 s

Explanation:

The power, the energy, and the time are related by the following equation

[tex]P=\frac{E}{t}[/tex]

Solving for t, we get:

[tex]t=\frac{E}{P}[/tex]

Replacing the energy E = 100 J and the power P = 100W, we get:

[tex]t=\frac{100\text{ J}}{100\text{ W}}=1\text{ s}[/tex]

Therefore, the answer is 1 s.

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