What is a circuit a) a circuit is the same as an insulator b) a circuit is a broken loop conductive material through which electrons flow continuously. c) a circuit is a unbroken loop conductive material through which electrons flow continuously. d) a circuit is the same as a conductor

Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic

25pts the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.