What is the equivalent resistance in a parallel circuit that has the following three resistors: 6.8 ohms, 9.0 ohms, and 15.0 ohms? . a.. 10.3 ohms. b.. 30.8 ohms. c.. 3.08 ohms. d.. 0.80 ohms. e.. 12.8 ohms

In what direction does the medium move relative to the direction of the wave? explain.

How many molecules are present in 3 mols of silicon dioxide (sio2)?

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.