Your kid sister is making a mobile representing the earth, moon, and sun for her grade school science fair. the ruler is provided below to you determine positions of the three hanging balls, of mass 15g, 5g, and 30g, respectively. of the five options provided, where would you connect a string to this mobile so that it would remain balanced when you hung it from the string? (the rods and strings all have negligible mass compared to the balls). explain.

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