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the friction of the air causes a vertical retardation equal to 10% of the acc. due to gravity . the max. ht. will be decreased by

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+1 vote
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in JEE by (295 points)
[a] 8%

[b] 9%

[c] 10%

[d] 11%
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1 Answer

+1 vote
by (53.0k points)

Answer: 9%

Explanation:

Fractional decrease in time of flight  

Percentage decrease = 9%

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