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A 2000 kg truck starts at rest 15 m above the bottom of a hill. It rolls down the hill and at the bottom the
A 2000 kg truck starts at rest 15 m above the bottom of a hill. It rolls down the hill and at the bottom the truck collides and locks bumpers with (sticks to} a 1500 kg car which is at rest at the bottom of the hill in a completely inelastic collision. The two vehicles then roll together up a second hill. Assuming that both vehicles are in neutral and roll without energy loss due to friction or air resistance, calculate: {a}Speed of the truck right before the collision leSpeed of both right after the collision {cJHow high up the second hill will the two vehicles travel 15 m
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