PLS HELP The particles of a substance can have kinetic energy

(KE) and potential energy (PE). Which equation best

summarizes the internal energy (U) of the substance?

A. U = PEtranslation + PEvibration + PErotation +

KEintermolecular forces

B. U = PEtranslation + PEvibration + PErotation

KEintermolecular forces

C. U = KEtranslation + KEvibration + KErotation

PEintermolecular forces

D. U = KEtranslation + KEvibration + KErotation +

PEintermolecular forces

Which statement best explains why an object weight less on mercury than it does on earth

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?

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