Questions
If the angle of projection of a projector with same initial velocity exceed or fall short of 45° by equal amount , then the ratio of horizontal ranges is [Kerala CEE 2014]
detailed solution
Correct option is D
Given, θ1 = θ2 = 450θ1 + θ2 = (450 + α) + (450 - α) = 900u1 = u2 = u ⇒ R1 = R2 = ?R1=u12sinθ1+θ2g⇒ R1=u2sin90°g=u2g ……..(i)Similarly, R2=u22sinθ1+θ2g⇒ R2=u2sin90°g=u2g ……..(ii)The ratio of horizontal rangesR1R2=u2/gu2/g=1:1⇒ R1:R2=1:1Talk to our academic expert!
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