Recent content by jazzysoshort

I apologize wasn't what i had on my paper in a bit of rush to see if i was understanding the equation. You are absolutely right 1 g is .001kg and it multiplied by 150 is 1.5, but besides careless errors i just want 2 know am i on the right track

No i didn't find inertia, but the whole worksheet is dealing with momentum and impulse.

Homework Statement In a freight yard a train is being put together from freight cars. An empty freight car, coasting at 10m/s, strikes a loaded car that is stationary, and the cars couple together. Each of the cars has a mass of 3000 kg when empty, and the loaded car contains 12,000 kg of...

Homework Statement Kim holds a 2.0 kg air rifle loosely and fires a bullet of a mass 1.0 g. The muzzle velocity of the bullet is 150 m/s. What is the recoil speed of the rifle? Homework Equations p=mv The Attempt at a Solution p=(150)(.01) 15=2v p=15 7.5=v