Question : on the opposite bank of a river flowing at a speed as of 29 𝑚𝑠 −1 . A stone is dropped from it and it reaches the ground in 10 seconds. The height of the balloon when the stone was dropped from it is ( 𝑔 = 9.8 𝑚𝑠 −2 )
(A) 100 𝑚
(B) 200 𝑚
(C) 400m
(D) 150m
Answer : option (B)
Solution :
