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A particle is projected with a velocity u making an angle with the horizontal. At any instant its velocity becomes v which is perpendicular to the initial velocity u. Then v is
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Correct option is D
v sin θ = u cos θ⇒v = u cot θTalk to our academic expert!
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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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