Question

Hey user!
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A projectile can have same range R for two angles of projection. If t1 and t2 be the times of flight in two cases, find the relation between horizontal range and the product of two times of flight.

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NEED RELEVANT ANSWERS.
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Answer 1

Here is the ans to the ques.
Let 2 angles be @ n 90-@
T1=(2usin@)/g......1
T2=(2usin(90-@))/g
As sin 90-@=cos@
T2=2ucos@/g......2
From multplying 1 n 2
T1×T2=(2u^2sin2@)/g^2
R=u^2sin2@/g
T1×T2=2R/g
R=(t1×t2×g)/2 is ans

Answer 2

Explanation:

A projectile can have same range R for two angles of projection. If t1 and t2 because

Thanks