3. Matter and Energy

Discuss the changes in the potential and kinetic energy of a roller-coaster ride as the roller-coaster car climbs to the top and goes down the other side.

Indicate whether each of the following statements describes potential or kinetic energy:b. kicking a ball

Using the energy values for foods (see TABLE3.7), determine each of the following (round off the answer for each food type to the tens place):d. the grams of fat in one avocado that has 405 kcal, 13 g of carbohydrate, and 5 g of protein

Using the energy values for foods (see TABLE3.7), determine each of the following (round off the answer for each food type to the tens place):a. the total kilojoules in two tablespoons of crunchy peanut butter that contains 6 g of carbohydrate, 16 g of fat, and 7g of protein