Kinematics Question 608

Question: If the angles of projection of a projectile with same initial velocity exceed or fall short of 45 by equal amounts , then the ratio of horizontal ranges it’s

Options:

A) 1:2

B)1:3 

C) 1:4

D)1:1

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Answer:

Correct Answer: D

Solution:

[d] For complementary angles of projection (45+α) and (45α) with same initial velocity u, range R it’s same. θ1+θ2=(45+α)+(45α)=90



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