For a beam of light, the direction of polarization is defined as

What are two different ways you could find the value of a? explain these methods.

How can waves travel through ground?

Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton