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

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
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
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