An individual center of gravity can usually be found
a.
just above the belly button
b.
just above the knees
c.
just below the neck
d.
just below the hips

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.