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A shopper pushes a 7.4 kg cart at constant of 1.20 m/s speed along a
rough horizontal surface by applying a force of 23.6 N at an angle of
39.4° below the horizontal. What is the coefficient of kinetic friction
between the cart and the surface?
υ
Fa
O 0.251
O 0.317
0.208
O 0.325
T

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