Q1. A bell is thrown upward with a velocity of 29.4m/s. After 3 seconds another ball is thrown upwards with a velocity of 19.6m/s . at what height and at what time will the two balls collide?
Q2. A stone after falling freely under gravity for 1 second strikes a pane of glass held horizontally. In breaking through the pane it loses half of its velocity. How far will it travel or fall in the next 2 seconds?
Ans1.. 2.25 seconds after throwing the second stone and at 19.6 height
Ans2.. It will travel or fall till 29.4 meters in the next 2 seconds.