13. A 15-kg block is initially moving with a velocity of 4.2 m/s on a frictionless...

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Answer 1

Answer #1

work a = change in kinetic Energy £X lsx (VF - 42 (2.5-2?) dae = - 29.167= 1.Vf2-4,2% Juf = 3.71 m/s

Answer 2

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