A particle starts from the origin at t=0...

A particle starts from the origin at t=0 s with a velocity of `10.0hatjm//s` and moves in the x-y plane with a constant acceleration of `(8.0hati+2.0hatj) " m s"^(-2)` (a) At what time is the x - coordinate of the speed of the particle at the time ?

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The correct Answer is:

(a) `2s,24m,21.26 " ms "^(-1)`

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