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A particle starts from rest and moves wi...

A particle starts from rest and moves with a constant acceleration of `4 m//s^(2)` for `10 s`, then it moves under constant seceleration and stops in `20 s`. Find (a) the maximum velocity attained by the particle (b) the total distance traveled and (c ) the distance/distances from the origin, when the particle is moving at half the maximum velocity.

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