What is one result of warming up your body’s muscles before exercising?

What is the magnitude of the resultant vector round your answer to the nearest tenth

How to calculate voltage drop in a series circuit

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