3.A ball is thrown up with a speed of 15 m/s. How high will it go before it begins to fall? Take g=9.8 m/s^2.
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Explanation:
If you cannot understand the writing use the third fundemental formula in kinematcs. Substitute the value of g in place of a and since the ball moves with intial velocity and comes to rest the final velocity is zero. Take the values as mentioned you will get thee right answer
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