JEE Main Physics question
A body is thrown with the velocity at an angle to the horizon. Determine (in ms) if the maximum height attained by the body is 2.5 m and at the highest point of its trajectory the radius of curvature is m. Take ms. [Use as 9]
Answer: 9
Solution
At the highest point, only the horizontal component of the velocity survives, and since the acceleration there is purely vertical (magnitude , perpendicular to the velocity), the radius of curvature is \dfrac{(u\cosθ)^2}{g}$⇒
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