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Question: A projectile can have the same range R for two angles of projectile. If t<sub>1</sub> and t<sub>2</s...

A projectile can have the same range R for two angles of projectile. If t1 and t2 are the times of flights in the two cases, then product of the time of flights is proportional to

A

R2

B

1/R2

C

1/R

D

2g/R

Answer

2g/R

Explanation

Solution

t1 = 2usinθ/g, t2 = 2ucosθ/g and t1t2 = 2u2 sin2θ/g2 = 2R/g