Question

8. A particle is moving along straight line and its velocity v varies as v = kx². The acceleration of the particle
is
(A) a is directly proportional to x²?
(B) a is directly proportional to x
(C) a is directly proportional to x³
(D) None of these​

Answer 1

Answer:)

B) A is directly proportional to x.....

Answer 2

Answer:

B

Explanation:

a=dv/dt

a=d(Kx*2)/dt

Therefore a =2x

and hence acce. is directly proportional to x