A galaxy is A. a name for the great variety of stars B. A large glowing ball of gas powered by nuclear energy C. A collection of a few hundred million to a few trillion or more stars, bound together by gravity D. another name for the universe E. a system consisting of one or a few stars orbited by planets, moons, and smaller objects

A3.9 g aluminum foil ball with a charge of +4.1×10−9 c is suspended on a string in a uniform horizontal e⃗ field. the string deviates to the right and makes an angle of 30∘ with the vertical. part a part complete what information about the e⃗ field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of e⃗ only the direction of e⃗ both the magnitude and the direction of e⃗ none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

What are two different ways you could find the value of a? explain these methods.