You are trying to determine how many 12-foot boards you need to make a new deck. you will have to cut one board because you need an extra 8 feet. what function would you determine how many boards to buy?

Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving