Question : A particle moves along a parabolic path 𝑦 = 9𝑥2 in such a way that the 𝑥-component of velocity remains constant and has a value 1 3 ms −1 . The acceleration of the particle is
(A) \dfrac{1}{3}jms^{-2}
(B) 3ms^{-2}
(C) \dfrac{2}{3}jms^{-2}
(D 2ms^{-2}
Answer : option (D)
Solution :
