The motors of two vacuum cleaners have net power outputs of 1.00 hp and 0.500 hp, respectively.

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The motors of two vacuum cleaners have net power outputs of 1.00 hp and 0.500 hp, respectively. (a) How much work in joules can each motor do in 3.00 min? (b) How long does each motor take to do 97.0 kJ of useful work?
THINKING IT THROUGH. (a) Since power is work/time (P = W/t), the work can be computed. Note that power is given in horsepower units, which is converted to watts. (b) This part of the
problem is another application of Equation 5.15.

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