A particle is projected from the ground at an angle theeta with the horizontal with an initial speed of u. the time after which velocity vectoe of projection is perpendicular to the initial velocity

A particle is projected from the ground at an angle theeta with the ho

1.	A particle is projected from the ground at an angle theeta with the horizontal with an initial speed of u. the time after which velocity vectoe of projection is perpendicular to the initial velocity
Answer» TIME= u /(g*SIN theeta) where is is initial velocity g is ACCELERATION due to GRAVITY

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A particle is projected from the ground at an angle theeta with the horizontal with an initial speed of u. the time after which velocity vectoe of projection is perpendicular to the initial velocity

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