Question : Four marbles are dropped from the top of a tower one after the other with an interval of one second. The first one reaches the ground 4 seconds. When the first one reaches the ground the distances between the first and second, the second and third and the third and forth will be respectively
(A) 35,25 and 15 𝑚
(B) 30,20 and 10 𝑚
(C) 20,10 and 5 𝑚
(D) 40,30 and 20 𝑚
Answer : option (A)
Solution :
