The motion of a particle is described by the equation x=a+bt^2 where a=15 ,cm and b=3 ,cm/s^2. Its...

Question

The motion of a particle is described by the equation x=a+bt^2 where a=15 ,cm and b=3 ,cm/s^2. Its instantaneous velocity at time 3 sec will be [AMU (Med.) 2000]

Accepted Answer

(B)

JEE Main Physics question

Solution