What principle of physics will you use to find the speed of each mass just after it loses contact with its spring

a lot of it means it can be "burned" for energy and sold at one price. if it is scarce, the price will go up

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;