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Question: find the position function x t of a moving particle...

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Find the position function x (t) of a moving particle with the given acceleration a(t), initial position xo- x(0), and initial velocity o 1) a(t)s-20, Vo =-15, xo = 5 2. O) 2) a(t)- 2t +1, vo- -7, xo 4 C+ 3. A ball is dropped from the top of the building 640 ft high. (Note: a(t) - -32 ft/sec2 y(0)640) a) How long does it take to reach the ground? b) With what speed does the ball strike the ground?
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