Recent content by hbrinn

Yay! Thank you very much!

Then by that logic isn't the answer 64.457? I did 28.2=L(1-.75^2). Is that wrong?

Homework Statement A spaceship passes you at a speed of .750c. You measure its length to be 28.2 m. How long would it be when at rest? Homework Equations I think the equation that is relevant is L=L(sub0)xsqrt(1-v^2/c^2) The Attempt at a Solution L=28.2xsqrt(1-(.75^2))=18.65m...

Homework Statement Suppose you are driving a light weight pickup truck, and it takes 15m of stopping distance to stop when you are traveling 5 m/s, using max. force from the brakes. 1. Suppose you really load up the truck, so that the mass of the loaded truck is twice that of the unloaded...