Question: A particle moves in a straight line with a constant acceleration of ??2 m/s2 for 6 s, zero acceleration for the next 4 s, and

A particle moves in a straight line with a constant acceleration of ??2 m/s2 for 6 s, zero acceleration for the next 4 s, and a constant acceleration of +2 m/s2 for the next 4 s. Knowing that the particle starts from the origin and that its velocity is 4 ?? m/s during the zero acceleration time interval, (a) Construct the v ?? t and x ?? t curves for 0 ?? t ?? 14 s, (b) Determine the position and the velocity of the particle and the total distance traveled when t = 14 s.

(m/s) 10 -2 6 10 14

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a ms 2 O 2 A12 ms 10 A 14 ts at curve a vt curve b 412 ms A 8 ms V64 ms Vo164412 8 ... View full answer

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