02_P34InstructorSolution

02_P34InstructorSolution - 2.34. Solve: (a) The velocity is...

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2.34. Solve: (a) The velocity is the integral of the acceleration. () 1 11 0 22 10 0 0 0 m/s 10 10 10 t tt xx x t vv a d t t d t t t =+ = + − = − = − ∫∫ The velocity is zero when ( ) ( ) 2 1 1 1 10 10 0 s or 20 s x vt t t t == = × ⇒= = The first solution is the initial condition. Thus the particle’s velocity is again 0 m/s at 1 20 s. t = (b) Position is the integral of the velocity. At
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