Question : A body dropped from a height ℎ with an initial speed zero, strikes the ground with a velocity 3 𝑘𝑚/ℎ . Another body of same mass is dropped from the same height ℎ with an initial speed – ́ = 4𝑘𝑚/ℎ. Find the final velocity of second body with which it strikes the ground
(A) 3 𝑘𝑚/ℎ
(B) 4 𝑘𝑚/ℎ
(C) 5 𝑘𝑚/ℎ
(D) 12 𝑘𝑚/ℎ
Answer : option (C)
Solution :
