A sheet of copper is pulled at constant velocity v from a region that contains a uniform magnetic field.  At the instant shown in the figure, the sheet is partially in and partially out of the field.  The induced emf in the sheet leads to the eddy current shown.  Which one of the following statements concerning the direction of the magnetic field is true?

What is one disadvantage of using 2 or 3 day food records to analyze an athletes dietary intake (the athlete records their diet) versus using a 24 hour dietary recall method? (comment based on accuracy, timing, reproducibility, and/or ease of use)

In sports involving intermittent high-intensity exercise, most of the energy is supplied by which of the following?

Which of the following popular sports nutrition supplements is rich in dietary nitrate?  Choose one.

What is one reason related to athletic performance why athletes who are serious about their sport, not consume alcohol during periods of training and competition?

1) In humans, what % of all energy produced in metabolism is used to accomplish work? 2) What is the remainder primarily used for?

What is one reason is it difficult to maintain high energy intakes during very long duration intense activity? (four possibilities from the lecture)

True or False? One training adaptation from long term exercise training is an increase in the rate of muscle glycogen and blood glucose use during exercise?

There are two main contributors to H+ ion accumulation during high intensity exercise, what are these? (2 points). Then, what are two side effects of this accumulation? (2 pt)

How does exercise intensity affected the use of muscle glycogen vs muscle triglyceride? Compare the difference between exercise at 60% VO2max vs exercise at 85% VO2max.