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

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 :

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
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