Question : A ball is thrown vertically upwards with a velocity of 25 𝑚𝑠 −1 from the top of a tower of height 30 𝑚. How long will it travel before it hits ground
(A) 6𝑠
(B) 5𝑠
(C) 4𝑠
(D) 12 𝑠
Answer : option (A)
Solution :
A ball is thrown vertically upwards with a velocity of 25 𝑚𝑠 −1 from the top of a tower of height 30 𝑚. How long will it travel before it hits ground
with
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