What is the electric force between a +2 µc point charge and a –2 µc point charge if they are separated by a distance of 5.0 cm? show your work. (µc = 1.0 × 10–6 c)

Sara is creating an experiment. her hypothesis states the following. if i increase the air in my tires, then i will get better gas mileage. if this is her hypothesis what column titles do we need in our date table? a. air pressure in tire (psi) and gas mileage (mph) b. air pressure in the atmosphere (psi) and gas mileage (mph) c. miles (m) and gallons per mile (g) d. old battery and new battery

Ahydroelectric plant takes energy from water and turns it into electrical energy. what are the transformations of energy in the water molecules that are used in the process of generating electricity this way?

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.