Which is an example of a projectile? An arrow stored in a quiver
A trapeze artist hanging from a swing
A bullet loaded into a gun's chamber
A child jumping off of a swing set

Why do electron microscopes have higher resolving power than light microscopes?

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?