Asked by Amyra B | 1st Nov, 2014, 09:21: AM
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Let the initial distance between P and Q be x.
At t1 =x/2, P receives the ball.
Thus, balls will be received by Q once every 2.5s in case I and once every 3.3s in case II.
Answered by Sheetal Jalan | 2nd Nov, 2014, 05:08: PM
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