Question

How to apply law of conservation of momentum? here...please solve with complete solution...

Answer 1

m/4*(4+v) cos45+m/4*(4+v) cos 45=(2m/4)*v

On solving the above equation we get

(8m+8v)4√2=mv/2

4(m+v)=mv4√2

v=4(m+v)/√2