Cole got $100 for his birthday. He can either save the money or buy a tennis racket with it. What is the opportunity cost if he
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To solve this problem it is necessary to use the given proportions of power and energy, as well as the energy conversion factor in Jules to Calories.
The power is defined as the amount of energy lost per second and whose unit is Watt. Therefore the energy loss rate given in seconds was
The rate of energy loss per day would then be,
That is to say that Energy in Jules per lost day is 5356800J
By definition we know that
In this way the energy in Cal is,
The number of kilocalories (food calories) must be 1279.694 KCal