A particle moves along X- axis in such a way that its coordinate X varies with time 𝑡 according to the equation 𝑥 = (2 − 5𝑡 + 6𝑡2 )𝑚. The initial velocity of the particle is

April 11, 2022

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Physics Problems

Question : A particle moves along X- axis in such a way that its coordinate X varies with time 𝑡 according to the equation 𝑥 = (2 − 5𝑡 + 6𝑡2 )𝑚. The initial velocity of the particle is

(A) −5 𝑚/𝑠

(B) 6 𝑚/𝑠

(D) 3 𝑚/𝑠

Answer : option ()

Solution :

A particle moves along X- axis in such a way that its coordinate X varies with time 𝑡 according to the equation 𝑥 = (2 − 5𝑡 + 6𝑡2 )𝑚. The initial velocity of the particle is