Brutus, a champion weightlifter, raises 243 kg of weights a distance of 2.65 m.
(b) How much work is done by Brutus holding the weights above his head?
Enter an exact number.2 J
(e) If Brutus completes the lift in 2.7 s, how much power is developed?
Enter a number.5 kW
2 answers
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Show that 480 W of power is expended by a weightlifter
when lifting a 60-kg barbell a vertical distance of 1.2 m
in a time interval of 1.5 s.
when lifting a 60-kg barbell a vertical distance of 1.2 m
in a time interval of 1.5 s.
1 answer