00:01
So, in the first stance let us have a look on this question.
00:02
So, it question has two parts.
00:03
In the first part, we are just taking as a impulse and momentum diagram and we can draw like this.
00:09
So, this is moving with the speed of v1.
00:12
So, this momentum mv1 and here working on the downward forces and it is normal and this is the force f and this is the speed final speed after the applying the force.
00:25
So, the impulse caused by balls weight and the normal force can be neglected because their magnitudes are very small as compared to the impulse from the ground.
00:35
So, we can just neglecting these two values here and now moving on the question number 2.
00:40
This is question number 1st.
00:42
So, moving on the question number 2...