Question : If the velocity of a particle is (10 + 2𝑡 2 )𝑚/𝑠, then the average acceleration of the particle between 2𝑠 and 5𝑠 is
(A) 2m/s^{2}
(B) 4m/s^{2}
(C) 12m/s^{2}
(D) 14m/s^{2}
Answer : option (D)
Solution :
If the velocity of a particle is (10 + 2𝑡 2 )𝑚/𝑠, then the average acceleration of the particle between 2𝑠 and 5𝑠 is
with
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