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

April 13, 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 expression 𝑥 = 2 − 5𝑡 + 6𝑡 2m, the initial velocity of the particle is

(A) $3ms^{-1}$

(B) $6ms^{-1}$

(D) $-5ms^{-1}$

Answer : option (D)

Solution :

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