(Answered) A ball is thrown straight up with an initial speed of 30 ms

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A ball is thrown straight up with an initial speed of 30 m/s. How long will it take to reach the top of its trajectory, and high will the ball go?

A car slows to a stop with an average acceleration of - 2.5 m/s2. How long will it take to slow the car from 12 m/s to a position of rest?

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