Questions
Ratio of minimum kinetic energies of two projectiles of same mass is 4 : 1. The ratio of the maximum height attained by them is also 4 : 1. The ratio of their ranges would be :
detailed solution
Correct option is B
KEmin1 KEmin2 =12mu12cos2θ112mu22cos2θ2=41⇒u1cosθ1u2cosθ2=21 PEmax1 PEmax2 =u12sin2θ12gu22sin2θ22g=41⇒u1sinθ1u2sinθ2=2 R1R2=u122sinθ1cosθ1gu222sinθ2cosθ2g=2×2Talk to our academic expert!
Similar Questions
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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