Question : A ball falls from height ℎ. After 1 second, another ball falls freely from a point 20 𝑚 below the point from where the first ball falls. Both of them reach the ground at the same time. What is the value of ℎ
(A) 11.2 𝑚
(B) 21.2 𝑚
(C) 31.2 𝑚
(D) 41.2
Answer : option (C)
Solution :
