Earth orbits the sun once every 365. 25 days. Find the average angular speed of Earth about the sun. Answer in units of rad/s.

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

If it takes a planet 2.8 x 10^8 s to orbit a star with a mass of 6.2 x 10^30 kg what is the average distance between the planet and the star

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.