Question

20. A body P is thrown vertically up with velocity
30 ms- and another body Q is thrown up
along the same vertically line with the same
velocity but 1 second later from the ground.
When they meet
(g = 10 ms?)
1) P travels for 2.5s
2) Q travels for 3.5s
3) P travels for 3.5s
4) Q travels for 1s​

Answer 1

Answer:

I am not sure but your answer is 1 second