What types of satellites have a high earth orbit? select all that apply: a. navigation satellites b. communications satellites c. scientific satellites d. weather satellites

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