Answer: 4.76 watts
Explanation:
Work = 1000 J
Time = 3.5 minutes (210 seconds)
Since the SI unit of time is seconds, 210 seconds will be used in calculation.
Power output of the machine = ?
Recall that power is the rate of doing work. Thus, power is Workdone divided by time taken.
i.e Power = (work/time)
Power = 1000J/210seconds
Power = 4.76 watts
Thus, the power output of the machine is 4.76 watts
