6. Convert each of the following cnergy units: a. 5500 call to keal b. 379J to cal c. 73cal to J 7. Indicate if each of the following statements describes potential or kinetic energy. a. Waser at the top of a waterfall b. Kicking a ball c. A car speeding down the frecway d. A tightly wound spring 8. Using the energy values for foods, determine each of the followings: (round to the nearest lens place) a. The total kilojoules in two tablespoons of crunchy peanut butter that contains 6g of carbohydrate, 16g of fat, and 7g of protcin. b. The total kilocalories for a diet that consists of 68g of carbohydrates, 9g of fat, and 150 g of protein