Roop

Lina (50 kg) is moving east at 5 m/s. She collides with Emily (70 kg) moving at 2 m/s due west. They hold on to each other and keep sliding. a. Draw a before and after diagram. b. How fast do they slide together and in which direction?

No the work done is mgl I.e. u did not take gravity into consideration..so it is 450*9.8*3=44129.4 J

Use formula v=u+a*t, 8=0+ a*2.....a=4 m\sec2