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Problem 1. A ball is thrown straight into the air at a speed of 30m/s. At what time(s) is the object 10m above the ground? Problem 2. A stone is thrown upwards from the edge of a cli 15m high. It just misses the cliff on the way down and hits the ground below with a speed of 35m/s. a. With what velocity was it released? b. What is its maximum height above the cliff? c. Plot ii(t ,i(), and i(t)
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