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A body is projected from corner A of a hall of length 16 m and height 4 m with velocity u at an angle with horizontal such that it just touches the roof and hits the other-end B of the floor. Then ‘u’ is equal to
detailed solution
Correct option is C
tanα=4HR=4×416⇒α=45oNow, u2sin245o2×10=4⇒u=410 m/sTalk 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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