A Man throws balls with the same speed vertically upwards one after the other at an interval of 2 second . What should be the speed of the throw so that more than two balls are in the sky at any time ( Given g9.8 m/s^2 )1. More than 19.6 m/s2. At least 9.8 m/s3. Any speed less than 19.6 m/s4. Only with speed 19.6 m/s

Tanvir Alam , 6 Years ago

Grade 12th pass