Calculate the power of a machine performing 75J work in 10 seconds.
| August 22, 2021 | education
Answer to the problem: 7.5 watts.
Explanation of the task: Power is calculated by the formula: N = A / t, where N is power, A is work; t-time during which this work is completed, in this problem A = 75 J, t = 10 s. Therefore, substituting these values, we get: N = 75/10 = 7.5 watts.
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