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Q.An electric vehicle starts from rest and accelerates at a rate of 2.4 m/s2 in a straight line until it reaches a speed of 21 m/s. The vehicle then slows at a constant rate of 1.4 m/s2 until it stops. (a) How much time elapses from start to stop? (b) How far does the vehicle move from start to stop?

Q. determine the vertical component of a baseball's velocity if the ball is thrown at a 28m/sec at an angle of 37 degrees with the horizontal.

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