What is the power of the engine, if in 4 minutes it performs work of 12 kJ.
| September 10, 2021 | education
Initial data: t (duration of operation of this engine) = 4 minutes (4 * 60 s = 240 s); A (the work that the engine has done in a given time) = 12 kJ (12 * 10 ^ 3 J).
The power of this engine will be equal to the ratio of the work that he managed to accomplish to the duration of its execution: N = A / t.
Calculation: N = 12 * 10 ^ 3/240 = 50 W.
Answer: This motor has a power of 50 W.
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