JEE Main 2022 Physics question
Two balls A and B are placed at the top of 180 m tall tower. Ball A is released from the top at t = 0 s. Ball B is thrown vertically down with an initial velocity u at t = 2 s. After a certain time, both balls meet 100 m above the ground. Find the value of u in [use g = 10 ]
Answer: (4)
Solution
Both balls have fallen 80 m when they meet. For A: , so s. For
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