Physics, 14.03.2020 04:41 hayesgenniferozslxr
A block with a mass of 4 kg is pulled across a horizontal surface at constant speed by a horizontally directed rope. The coefficient of kinetic friction between the block and the surface is μk = 0.2. What work (in J) has been done on the block by the tension in the rope after the block has slid 5m
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Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?
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