Q.

Two bodies are thrown from the same point with the same velocity of projection angles of projection being complimentary angles. If R1andR2 are the ranges and h1andh2 are maximum heights respectively, then

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a

R1=R2=u2gsin2θ

b

h1+h2=u22g

c

both

d

none

answer is C.

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Detailed Solution

R1=R2 for complementary angle of projectile

R1=R2

R1=u2sin2θg,R2=u2sin2θg

R1=R2=u2gsin2θ

h1+h2=u2sin2θ2g+u2sin2(90θ)g

=u22g(sin2θ+cos2θ)

h1+h2=u22g

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