The formulae to find the mechanical energy are:P. E=mgh and K. E=½mv² a. what is the common factor that affects both forms of energy? b. how does height affects the potential energy of a body? c. Kinetic energy of person who is running will be more than a person who is walking. justify.

Which describes an image that can be produced by a concave lens? the image is real and smaller than the object. the image is virtual and larger than the object. the image is virtual and smaller than the object. the image is real and larger than the object.

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

By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?