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In the figure the pulley has negligible mass, and both it and the inclined plane are frictionless. Block A has a mass of 1.3 kg,

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In the figure the pulley has negligible mass, and both it and the inclined plane are frictionless. Block A has a mass of 1.3 kg, block B has a mass of 2.1 kg, and angle 0 is 31 . If the blocks are released from rest with the connecting cord taut, what is their total kinetic energy when block B has fallen 29 cm? Number i Units v

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