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A particle leaves the origin with an ini...

A particle leaves the origin with an initial velocity `u=(3hati)m//s` and a constant acceleration `a=(-1.0hati-0.5hatj)m//s^(2)`.Its velocity `v` and position vector `r` when it reaches maximum `x` coordinate are

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(1.5 `hatj` m/s, (b)4.5 h `hati` -2.25 `hatj`)m)
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