Questions
A plane flying horizontally at 100 ms-1 releases ah object which reaches the ground in 10 s. At what angle with horizontal it hits the ground?
detailed solution
Correct option is B
vx=ux=100 ms-1,vx=ux+ayt=0+10×10 tanθ=vyv=100100=1⇒θ=45°Talk to our academic expert!
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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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