The engine did work 21 kJ. What is the engine power in a time equal to 0.5 hour?

univerkov | November 30, 2020 | education

Let us write down the power formula P = A / t. Substituting the data translated into SI, we get: P = 21000/1800 = 11.67 W. This result can be rounded up to either 11.7 W or 12 W, depending on what the task requires of you.

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