Questions
The potential energy of a projectile at its maximum height is equal to its kinetic energy there. If the velocity of projection is 20 ms-1, its time of flight is (g = 10 ms-2)
detailed solution
Correct option is B
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A ball is projected obliquely with a velocity 49 ms–1 strikes the ground at a distance of 245 m from the point of projection. It remained in air for
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