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A particle is projected from a horizontal plane with a speed u at some angle. At highest point its velocity is found to be u/2. Then the maximum height attained by the projectile is
detailed solution
Correct option is C
If α be the angle of projection, Then u cosα=u/2⇒α=60o∴Hmax=u sinα22g=u2sin260o2g=3u28gTalk 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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