What causes an object to rotate

What is the average mass of an electron? A. 1 amu B. 1,837 amu C. 1/1,837 amu

An electron and a proton have charges of an equal magnitude but opposite sign of 1.6 x 10-19 C. If an electron and proton in a hydrogen atom are separated by a distance of 5 x 10-11 m, (a) what is the magnitude of the force exerted on the electron

A friend tells you a way to estimate how far away a lightning bolt strikes. You count the number of seconds between seeing the flash and hearing the thunderclap. Then you divide that number by five to get a distance in miles.

How does the kinetic energy of a substance's particles in the liquid phase compare to their kinetic energy in the gas phase?

Car a is traveling at twice the speed of car b. They both hit the brakes at the same time and undergo identical decelerations. How does the distance required for car a to stop compare with that for car b?

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.