Question

10.
A point P moves in counter clockwise direction on a circular path as shown in the figure. The movement
of 'P' is such that it sweeps out a length s = t2 + 5, where s is in metres and t is in seconds. The radius
of the path is 20 m. The acceleration of 'P' when t=
seconds is nearly :
(A) 2 m/s2
(B) 1.5 m/s2
(C) 2.5 m/s2
(D) 3 m/s2​

Answer 1

Answer:

it is absolutely 3m/s2