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A projectile can have the same range R f...

A projectile can have the same range R for two angles of projection. If `t_1` and `t_2` are the times of flight in the two cases, then the product of the two time of flight is proportional to
A. `R^2`
B. `frac(1)(R^2)`
C. `frac(1)(R)`
D. `R`

A

`R^2`

B

`1/R^2`

C

`1/R`

D

R

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