A boy throws balls into air. He throws one, whenever the previous one is at its highest point. How high do the balls rise if he throws one ball each sec
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a
19.6 m
b
9.8 m
c
4.9 m
d
2.45 m
answer is C.
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Detailed Solution
Time taken by one ball to reach at its highest point = 1sHmax=12gt2=129.812=4.9m