Question : A stone is dropped into water from a bridge 44.1m above the water. Another stone is thrown vertically downward 1s later. Both strike the water simultaneously. What was the initial speed of the second stone?
(A) 12.25ms^{-1}
(B) 14.75ms^{-1}
(C) 16.23ms^{-1}
(D) 17.15ms^{-1}
Answer : option (A)
Solution :

