For the pulley system shown, mas A is moving upwards with a velocity VA= 2m/s upwards. What is the speed of mass B? B
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A: Answer is 0.5 J. Find explanation in next step .
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A: a) Lets apply energy conservation to solve this question:- Ei= Ef => Ki + Ui = Kf + Uf => 0.5…
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Q: An object moving at 21.0 m/s has 1390 J of kinetic energy. What is the object's mass? A. 6.30 kg B.…
A: Given Object speed = v = 21.0 m/s Kinetic energy = K.E = 1390 J We have to calculate object's mass
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