A particle is projected with a velocity u at an angle (theta) with the horizontal. Find the radius of curvature of the parabola traced out by the particle at the point where its velocity makes an angle (theta/2) with the horizontal.
A particle is projected with a velocity u at an angle (theta) with the horizontal. Find the radius of curvature of the parabola traced out by the particle at the point where its velocity makes an angle (theta/2) with the horizontal.