Physics, 16.10.2021 23:00 melissapulido198
A certain motor uses 1300J of energy to raise a 30kg mass to a height 2.4 meters above
where it started.
a) How much potential energy does the mass gain during the lift b) calculate the efficiency of this motor
Answers: 2
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Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.
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A certain motor uses 1300J of energy to raise a 30kg mass to a height 2.4 meters above
where it st...
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