Which of the following statements accurately describes conservation of energy in terms of heat engines?.

What is another way name for bd? cf, bd, cf, be

Analyze the forces acting on a cyclist who is slowing down as he or she climbs a hill

When amy exercises in her fitness center for 1 hr she burns a total of 475 calories.if she burns 9 calories a minute jogging on the treadmill and then burns 6.5 calories a minute pedaling on the stationary bicycle how many minutes of the hour does she spend exercising on the bicycle?