A student has a mass (including clothes and shoes) of 65.0 kg. She drinks a 12 oz. can of soda, with a nutritional energy conten
t of 140 Cal. Assuming that the efficiency of her muscles is 20%, how high can she climb without losing weight? Conversion: 1 Cal = 1,000 cal = 4,180 J
epicycles were orbits within orbits used to explain discrepancies between expected and observed planetary movement, including the appearance of planets slowing down, speeding up, and moving backward.