Помогите пожалуйста сделать 1 в части c !

Ben(55 kg) is standing on very slippery ice when junior(25kg) bumps into him. junior was moving at a speed of 8m/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 .

Asystematic approach to problem solving is called a (an)

How many times did thomas edison mess up the light bulb