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1. A student kicks a stone horizontally over the edge of a cliff with an initial...

1. A student kicks a stone horizontally over the edge of a cliff with an initial velocity of 20.3m/s. The cliff is 43.9m above a beach. (a) How far did the stone travel in the horizontal direction? (b) What was the time of flight of the stone? (c) What is the magnitude of the final velocity just before impact with the beach? (d) What is the angle of impact below the horizon measured in degrees?

2.A plane is flying at a contant velocity of magnitude 86.5m/s at an angle of 15.5o below the horizon. When the plane decends to a height of 56.3m it releases a crate that has a parachute that fails during deployment. What is the magnitude of the final velocity of the crate the instant it touchs the ground?

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