129_Physics ProblemsTechnical Physics

129_Physics ProblemsTechnical Physics - Chapter 5 *P5.32...

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Chapter 5 131 *P5.32 (a) For force components along the incline, with the upward direction taken as positive, Fm a m g m a ag xx x x =− = °=− :s i n sin . sin . . θ 98 35 562 ms 22 ej For the upward motion, vv a x x x x xf xi x f i f f 2 2 05 25 6 2 0 25 2562 222 =+ == di bg m 2 2 . . .. (b) The time to slide down is given by v t a t t t fix i x =+ + + 1 2 02 2 2 0 1 2 2222 0890 2 2 . . m m s m ±ms s 2 2 a f For the second particle,
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