Hard
Question
A projectile can have the same range R for two angles of projection. If T1 and T2 be the time of flights in the two cases, then the product of the two time of flights is directly proportional to
Options
A.1/R2
B.1/R
C.R
D.R2
Solution
Range is same for complimentary angles.
and 
and
∴ T1T2 =
and and
∴ T1T2 =
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