Question

The distance travelled by a particle is given by s = 3 + 2t + 5t² The initial velocity of the particle is ... 

(A) 2 unit 

(B) 3 unit 

(C) 10 unit 

(D) 5 unit

Answer 1

Correct option: (A) 2 unit

Explanation:

S = 3 + 2t + 5t² 

V = (ds / dt) = 2 + 10t 

V = at t = 0 s 

V = 2 unit