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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 2 - Kinematics > A body is project at t= 0 with a velocity 10ms^−1 at an angle of 60^∘ with the horizontal .The radius of curvature of its trajectory at t=1s is R. Neglecting air resistance and taking acceleration due to gravity g=10ms^−2, the value of R is :

A body is project at t= 0 with a velocity 10ms^−1 at an angle of 60^∘ with the horizontal .The radius of curvature of its trajectory at t=1s is R. Neglecting air resistance and taking acceleration due to gravity g=10ms^−2, the value of R is :

In the cube of side 'a' shown in the figure the vector from the central point of the face ABOD to the central point of the face BEFO will be :