Recent content by bencdavidson

Any chance you could show me? I'm at a major loss and I have a huge exam coming up:/

but don't you need the mass of the second object to calculate using the elastic collision formula?

Homework Statement Object 1 has a mass of 2.8 kg and is moving eastward with a velocity of 7.7 m/s. It collides with a stationary object. After the collision object 1 recoils with a velocity of -2.2 m/s What is the mass of object 2? Homework Equations As far as I know...

Homework Statement Object 1 has a mass of 2.8 kg and is moving eastward with a velocity of 7.7 m/s. It collides with a stationary object. After the collision object 1 recoils with a velocity of -2.2 m/s What is the mass of object 2?Homework Equations As far as I know: Conservation of...