In the Q.23, the maximum height attained by the arrow is:-
In the Q.23, the maximum height attained by the arrow is:-
A. 25m
B. 40m
C. 31.25m
D. 12.5m
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Correct Answer - C
`H=(1)/(2)"gt"^(2)=(1)/(2)xx10xx[(5)/(2)]^(2)=31.25m`
[time for downward journey `=(T)/(2)=(5)/(2)`]
In this time it will fall a distance equal to maximum height.
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