What is the net force acting on the piano?
11,500 N
-11,500 N
500 N
-500 N

Which property of fossils allow scientists to determine the relative rock ages..

The midpoints? a, b, and c are marked on the histogram. match them to the indicated scores. which? scores, if? any, would be considered? unusual?

Any color picture tube and electric field exerts a net force of magnitude 1.68x 10^-13 n on an electron the rest mass of an electron is 9.11 x 10^-13 what is the electron acceleration?