Question

A particle is dropped under gravity while another
particle is thrown downwards with an initial velocity
of 2 m/s simultaneously from the same point.
These particles are at a separation of 18 m after
time
(1) 4.5 s
(2) 9s
(3) 9.8 s
(4) 18 s



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Answer 1

Answer:

9 sec is the time.

Explanation:

ans is in attachment !

I hope u understood