Two power lines run parallel for a distance of 222 m and are separated by a distance of 40.0 cm. if the current in each of the two lines is 140 a and if they run in opposite directions, determine the magnitude and direction of the force each wire exerts on the other.

Which of the following would not be taken into consideration when describing the quality of a sound

Moon effect. some people believe that the moon controls their activities. if the moon moves from being directly on the opposite side of earth from you to being directly overhead, by what percentage does (a) the moon's gravitational pull on you increase and (b) your weight (as measured on a scale) decrease? assume that the earth–moon (center-to-center) distance is 3.82 × 10^8 m, earth's radius is 6.37 × 10^6 m, moon's mass is 7.36 × 10^22 kg, and earth's mass is 5.98 × 10^24 kg.

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit: