help with work/calories c/o physical science

Question

  walking wich is a type of work requires that  you burn about 6 calories per minute.  according to the first law of thermodynamics how many calories must you use up from eating food or stored fat to walk 30 minutes?

 

a.  6 calories

b.  30 calories

c.  36 calories

d.  180 calories

 

thanks

Answer 1

To walk 30 minutes, you will need 6 calories of fat, protein, or carbohydrates stored for every minutes. This

 

mean you will need 30 * 6 = 180 calories of food stored for the walk.