(Answered) A 2-kg collar which can slide on a frictionless vertical

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A 2-kg collar which can slide on a frictionless vertical rod is acted upon by a force P which varies in magnitude as shown. Knowing that the collar is initially at rest, determine

(a) The maximum velocity of the collar,

(b) The time when the velocity iszero.

1173_maximum velocity of the collar.jpg

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