You push a box of mass 16.6 kg with your car up to an icy hill slope of irregular shape to a height 5.1 m. The box has a speed 11 m/s when it starts up the hill, the same time that you brake. It then rises up to the top (with no friction) to a flat area before coming to a rest when hitting a box of mass 35 kg. The heavier box then falls off a sheer cliff to the ground (with no drag). (a) What is the speed of the heavier box as it flies off the top of the hill? (b) What is the mathematical form of the velocity of the heavier box just before hitting the ground? V= ŷ+ 2 (c) What is the physical form of the velocity of the heavier box just before hitting the ground? V= + 2)

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