A ball is dropped from top of a tower of 100𝑚 height. Simultaneously another ball was thrown upward from bottom of the tower with a speed of 50 𝑚/𝑠 (𝑔 = 10 𝑚/𝑠 2 ). They will cross each other after

April 14, 2022

by Ezee_Notes

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Physics Problems

Question : A ball is dropped from top of a tower of 100𝑚 height. Simultaneously another ball was thrown upward from bottom of the tower with a speed of 50 𝑚/𝑠 (𝑔 = 10 𝑚/𝑠 2 ). They will cross each other after

(A) 1𝑠

(B) 2𝑠

(D) 4𝑠

Answer : option (B)

Solution :

A ball is dropped from top of a tower of 100𝑚 height. Simultaneously another ball was thrown upward from bottom of the tower with a speed of 50 𝑚/𝑠 (𝑔 = 10 𝑚/𝑠 2 ). They will cross each other after