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Discuss the relative effectiveness of dieting and exercise
Chapter 7, Problem 24(choose chapter or problem)
Problem 24CQ
Discuss the relative effectiveness of dieting and exercise in losing weight, noting that most athletic activities consume food energy at a rate of 400 to 500 W, while a single cup of yogurt can contain 1360 kJ (325 kcal). Specifically, is it likely that exercise alone will be sufficient to lose weight? You may wish to consider that regular exercise may increase the metabolic rate, whereas protracted dieting may reduce it.
Questions & Answers
QUESTION:
Problem 24CQ
Discuss the relative effectiveness of dieting and exercise in losing weight, noting that most athletic activities consume food energy at a rate of 400 to 500 W, while a single cup of yogurt can contain 1360 kJ (325 kcal). Specifically, is it likely that exercise alone will be sufficient to lose weight? You may wish to consider that regular exercise may increase the metabolic rate, whereas protracted dieting may reduce it.
ANSWER:
Solution 24CQ :
Step 1 of 3:-
The goal is to find the relative effectiveness of exercise and having a cup of yogurt and also to explain whether only exercise will be enough or not.
The food energy consumed by the athletic during the athletic activities is .
Generally one does exercise for an hour.
So, in 1 hr the food energy consumed is,
.
So, he loses of energy during the exercise in a day.