80kg player running at 12 m/s collides with a 95 kg player running at 10 m/s how fast do they run together

when insulating materials rub against each other, they may become electrically charged . electrons , which are negatively charged, may be 'rubbed off' one material and on to the other. the material that gains electrons becomes negatively charged. the material that loses electrons is left with a positive charge.

the answer should be in the picture.