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A ball of mass m is dropped from a great height After it has fallen...

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A ball of mass m is dropped from a great height After it has fallen through 50 m it attains its terminal velocity and continues to fall The work done against air friction in the first 50 m fall is O equal to the weight mg O greater than the weight mg greater than the work done during second 50 m fall O less than work done during second 50 m fall W

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