If for a given angle of projection, the horizontal range is doubled, the time of flight becomes
A
4 times
B
2 times
C
times
D
times
Text Solution
Verified by ExpertsThe correct answer is:
C
and 
and 
(If 
and g are constant).
In the given condition to make range double, velocity must be increased upto 
times that of previous value. So automatically time of flight will becomes 
times.
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