2. A ball is thrown from the roof of a 100-foot building with an initial velocity vector of 307 + 40j. Assuming that the only force acting on the ball is gravity, (a) what is the speed of the ball four seconds after it is thrown? (b) what is the maximum height that the ball reaches? (c) how far from the base of the building does the ball land?
2. A ball is thrown from the roof of a 100-foot building with an initial velocity vector of 307 + 40j. Assuming that the only force acting on the ball is gravity, (a) what is the speed of the ball four seconds after it is thrown? (b) what is the maximum height that the ball reaches? (c) how far from the base of the building does the ball land?
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Transcribed Image Text:2. A ball is thrown from the roof of a 100-foot building with an initial velocity
vector of 30i + 40j. Assuming that the only force acting on the ball is gravity,
(a) what is the speed of the ball four seconds after it is thrown?
(b) what is the maximum height that the ball reaches?
(c) how far from the base of the building does the ball land?
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