Question

A body is projected with speed 20 m/s at an
angle 60° with the horizontal at t=0 s. The radius
of curvature of trajectory of particle at t = 13 s is
(g = 10 m/s2)
(1) 20 m
(2) 15 m
(3) 10 m
(4) 8 m​

Answer 1

Answer:

option 3 is correct

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