Question

The position vector of a particle is given as i =(12_4t + 6) î+(12) j. The time after which the velocity
vector and acceleration vector becomes perpendicular to each other is equal to : son cho
(A) 1 sec
(B) 2 sec
(C) 1.5 sec
(D) Not possible​

Answer 1

Answer:

velocity and acceleration is perpendicular each other at every moment