Recent content by lynaa

I think it should be because of Newton's third law? Or do I not understand how his law works as well?

Homework Statement The strong man will push the two initially stationary freight cars of equal mass apart before he himself drops straight to the ground. Is it possible for him to give either of the cards a greater speed than the other? Why or why not? Homework Equations None this is a theory...

Because they are constant that means that I can I just set it to 1 and ignore it right? I can see how to solve it based on that, but why is it constant? Why am I able to just say it's equal to whatever when solving the problem? Oh, it would be the same velocity as when he threw it up right? So...

Homework Statement While rolling balls down an inclined plane, Galileo observes that the ball rolls 1 cubit (the distance from elbow to fingertip) as he counts to 10. How far will the ball have rolled from its starting point when he has counted to 20? The answer I get is supposed to be 4...