Earth's magnetic poles;
a. are visible from space
b. are aligned with the equator
c. are not the same as geographic poles

Explain vector addition, triangle method and parallelogram method

In the first law of thermodynamics, triangle e=q-w, what does q stand for

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