Modern human do not need wisdom teeth. some people never have them, and other people need to get them removed. what does the existence of unused structures, such as wisdom teeth, suggest about the ancestry of humans

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

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

Does the asteroid belt revolve around the sun?