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Questions  

A projectile has same range R for the two angles of projection. If T1 and T2 are the times of flight in two cases, then:

a
T1T2∝R
b
T1T2∝R2
c
T1T2∝1R
d
T1T2∝1R2

detailed solution

Correct option is A

Range is same for angle of projection θ and (90−θ)T1T2=2usin⁡θg⋅2usin⁡(90−θ)gT1T2=4u2sin⁡θcos⁡θg22g⋅u2sin⁡θg=2Rg⇒T1T2∝RHence correct choice is (1).

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Similar Questions

Assertion : When the velocity of projection of a body is made n times, its time of flight becomes n times.

Reason : Range of projectile does not depend on the initial velocity of a body.


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