Physics help please! Offering 75 pts!

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass

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.

An object in mechanical equilibrium is an object