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    				| 1. | 37. A boy throws balls into air at regular interval of2 second. The next ball is thrown when the velocityof first ball is zero. How high do the ball rise abovehis hand? [Take g 9.8 m/s2](1) 4.9 m(2) 9.8 m(4) 29.4 m19.6 m | 
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