How does the momentum of a 75 kilogram stationary football player compare with that of a 70 kilogram player moving at a velocity of 6 meters/second?

In what direction does an applied force move an object? in the same direction as the force independent of the force in the opposite direction of the force perpendicular to the force

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

A1000-kg car is moving at 30 m/s around a horizontal unbanked curve whose diameter is 0.20 km. what is the magnitude of the friction force required to keep the car from sliding?