Question : A particle moves in a straight line with a constant acceleration. It changes its velocity from 10 𝑚𝑠 −1 to 20 𝑚𝑠 −1 while passing through a distance 135 𝑚 in 𝑡 second. The value of 𝑡 is
(A )12
(B) 9
(C) 10
(D) 1.8
Answer : option (B)
Solution :


