Motion Under Gravity
A juggler throws balls into air. He throws one ball whenever the previous one is at its highest point. If he throws 4 balls in one second, the height from which each ball returns is nearly [acceleration due to gravity is m/s]
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Answer: (a)
- 4 balls per second: interval s, which equals the time to reach the top.
- m
- cm. So the answer is (a) 30 cm.