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 12, 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) -5𝑚/𝑠

(B) 6𝑚/𝑠

(D) 3𝑚/𝑠

Answer : option (A)

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