Question

9) In chis problem, you will use the relationship between the Joule (mechanical energy), the calorie (heat energy), and the Calorie (food energy). The relationship between the three is: 4,186 Joules 1,000 heat calories 1 food Calorie. 4,186]= 1,000 cal=1 Cal. Using the above conversions, calculate how many times (and how many flights of steps) a 150 Ib person would have to climb the Sears Tower located in downtown Chicago if they ate a 500 Cal piece of apple pie and drank a 150 Cal soft drink. The Sears Tower is 1,450 feet high and has 110 flights of steps. Be sure to use the appropriate SI units

Answer 1

kg) x (9,8 n/') x( 441.96 68.6389 2046 9 0 . 628 Enenys go eined by resson soo Cal so Co 29469 0.628 9.233 mes s 9-2.33 x I (o