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A boy throws balls into air.He throws on...

A boy throws balls into air.He throws one, whenver the previous one is at its highest point. How high do the balls rise if he throws one ball each sec ?

A

19.6 m

B

9.8 m

C

4.9 m

D

2.45 m

Text Solution

Verified by Experts

The correct Answer is:
C
`v = u - g t`
`0 = u - 9.8 xx 1 " " u = 9.8`
`s = 9.8 xx 1 - (1)/(2) xx 9.8 xx (1)^(2)`
`s = 4.9 m`
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