How long does it take to lift the milk container

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Reference no: EM131107696

Brain Power The human brain consumes about 22W of power under normal conditions, though more power may be required during exams.

Question 1

How long can one Snickers bar (280 Cal per bar) power the normally functioning brain? [Note: The nutritional calorie, 1 Cal, is equivalent to 1000 calories (1000 cal) as defined in physics. In addition, the conversion factor between calories and joules is as follows: 1 Cal = 1000 calories = 1 kcal = 4186 J]

Question 2

At what rate must you lift a 3.6-kg container of milk (one gallon) if the power output of your arm is to be 22 W?

Question 3

How long does it take to lift the milk container through a distance of 1.0 m at this rate?

Reference no: EM131107696

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