Question

Now solve this question using relative motion approach:

Two balls are thrown, one from a cliff and one from below. How long will they take to collide (t)? What will be the height of collision(h)?

• A. t=8 sec, h=80 m
• B. t=8 sec, h=0 m
• C. t=4 sec, h=80 m
• D. t=6 sec, h=80 m

Answer 1

The correct option is A t=8 sec, h=80 m

Hey, take 10 min and try to find these three quantities. You have all the knowledge you need for this! Then, watch the next video for the explanation.