You transform 530 J of chemical energy into mechanical energy to push a sofa. If it took you 5.0 s to move the sofa, what was your power?
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Answer:
106 Watts
Explanation:
power = work/time
work = energy
total energy used = 530 J
total time taken = 5 s
power = 530/5 watts
= 106 watts
hope it helps :)
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