Question : A body is thrown vertically upwards with velocity 𝑢. The distance travelled by it in the fifth and the sixth seconds are equal. The velocity 𝑢 is given by (g = 9.8 ms−2 )
(A) 24.5ms^{-1}
(B) 49.0ms^{-1}
(C) 73.5ms^{-1}
(D) 98.0ms^{-1}
Answer : option (B)
Solution :

