Calculate the resistance of 21-meter length of Nichrome wire with a cross-sectional area of 3.50 x 10^-6 meters squared at 20 degrees Celsius.

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive