Question

A cyclist pedals for 30.0 min at 15.0 km/h. the metabolic power for this exercise is 480.0 w. how much total chemical energy is transformed in this exercise?

Answer 1

To calculate the total chemical energy transformed during the exercise, we need to convert the metabolic power from watts to joules per second (J/s) by multiplying it by the duration of the exercise in seconds (30.0 min * 60 s/min). Then, we can use the formula: Total energy transformed = Metabolic power * exercise duration. The total chemical energy transformed in this exercise is 864000 Joules (J).

Step-by-step explanation:

To calculate the total chemical energy transformed during the exercise, we need to convert the metabolic power from watts to joules per second (J/s) by multiplying it by the duration of the exercise in seconds (30.0 min * 60 s/min). Then, we can use the formula:
Total energy transformed = Metabolic power * exercise duration

First, let's convert the exercise duration to seconds:
30.0 min * 60 s/min = 1800 s

Now, we can calculate the total energy transformed:
Total energy transformed = 480.0 W * 1800 s = 864000 J

Therefore, the total chemical energy transformed in this exercise is 864000 Joules (J).