Two satellites of equal mass are in circular orbits around earth. satellite a has a smaller orbital radius than satellite b. which statement is true regarding the kinetic energy , gravitational potential energy , and total mechanical energy =+=k+u of the satellites? g

You have a pick-up truck that weighed 4,000 pounds when it was new. you are modifying it to increase its ground clearance. when you are finished

Ain is , is 's of ? 0.62 0.79 1.27 1.50

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