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Abucket of water of mass 20kg is pulled at a constant velocity up to a platform 40 meters above the ground. this takes 10 minutes , during which time 5kg of water drips out at a steady rate through a hole in the bottom . find the work required to raise the bucket to the platform.
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Abucket of water of mass 20kg is pulled at a constant velocity up to a platform 40 meters above the...
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