Ameal containing a burger, fries, and a milkshake contains 53.0 grams of fat, 38.0 grams of protein, and 152 grams of carbohydrate. the respective fuel values for protein, fat, and carbohydrate are 17, 38, and 17 kj/g, respectively. if swimming typically burns 1100.0 kj/hour, minutes of swimming are required to completely burn off the meal.
a.4.78
b.33.5
c.62.5
d.10.5
e.286

286 minutes

Explanation:

Given the content of fat in a meal= 53g

the content of protien in a meal= 38g

the content of carbohydrate in a meal= 152g

Also given that fuel value of protien = 17 KJ/g

the fuel value of fat = 38 KJ/g

the fuel value of carbohydrate = 17 KJ/g

Now to burn all the molecules the energy recquired is content of molecule times the fuel value.

the energy recquired to burn fat =

the energy recquired to burn protien =

the energy recquired to burn carbohydrate =

The total energy=2014+646+2584=5244KJ

The energy spent on swimming is 1100KJ/hour

for 1 hour 1100 KJ are spent

to spend 5244 KJ of energy the time taken is = =4.76hours

We know 1 hour=60 minutes

The total time =

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the answer would be a