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cally. (f) Find the time interval me
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38. A particle moves along the x axis. Its position is given
w by the equation x = 2 + 3t – 4t², with x in meters and
tin seconds. Determine (a) its position when it changes
direction and (b) its velocity when it returns to the
position it had at t = 0.
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f lonath ( moYes through a stationary pho-
43. Fi
1 Answer
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