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Physics, 29.08.2019 09:00 Jacques1b

Amotor does a total of 480 joules of work in 5.0 seconds to lift a 12-kilogram block to the top of a ramp. the average power developed by the motor is
(1)8.0 w
(2)40. w
(3)96 w
(4)2400 w

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