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a wire of length l and linear mass density k is lying on a smooth horizontal floor.one end of a wire is pulled with const velocity v.what is the avg.power consumed in lifting the wire just off the ground(end of wire just above the ground)

a wire of length l and linear mass density k is lying on a smooth horizontal floor.one end of a wire is pulled with const velocity v.what is the avg.power consumed in lifting the wire just off the ground(end of wire  just above the ground)

Grade:12

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