Question

31. The velocity of a particle moving along the x-axis varies according to the expression V = 40 – 5to, where v is in meter per second and t is in seconds. The average acceleration in the time interval t = 0 to t = 2s is
(A) 40 ms-2
(B) – 20 ms-2
(C) – 10 ms-2
(D) – 40 ms-2

Answer 1

Answer:

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