Question

two balls are thrown,one from a cliff and one from below. How long will they take to collide if they do?What will be the height of collision?​

Answer 1

two balls are thrown,one from a cliff and one from below. How long will they take to collide if they do?What will be the height of collision

Answer 2

Answer:

first tell me the height of the cliff the first ball is thrown from. Then only it can be specified that what time they gotta take