Physics, 24.06.2019 18:50 penelopymorales24
Under normal conditions the human heart converts about 13.4 j of chemical energy per second into 1.34 w of mechanical power as it pumps blood throughout the body. hint (a) determine the number of calories required to power the heart for one day, given that 1 calorie equals 4186 j. cal (b) metabolizing 1 kg of fat can release about 9000 calories of energy. what mass of metabolized fat (in kg) would power the heart for one day? kg
Answers: 3
Physics, 22.06.2019 06:00
Suppose water is leaking from a tank through a circular hole of area ah at its bottom. when water leaks through a hole, friction and contraction of the stream near the hole reduce the volume of water leaving the tank per second to cah 2gh , where c (0 < c < 1) is an empirical constant. a tank in the form of a right-circular cone standing on end, vertex down, is leaking water through a circular hole in its bottom. (assume the removed apex of the cone is of negligible height and volume.) (a) suppose the tank is 20 feet high and has radius 8 feet and the circular hole has radius 2 inches. the differential equation governing the height h in feet of water leaking from a tank after t seconds is dh dt = − 5 6h3/2 . if the height of the water is initially 8 feet, how long will it take the tank to empty? (round your answer to two decimal places.)
Answers: 2
Physics, 22.06.2019 08:00
You have a pick-up truck that weighed 4,000 pounds when it was new. you are modifying it to increase its ground clearance. when you are finished
Answers: 1
Under normal conditions the human heart converts about 13.4 j of chemical energy per second into 1.3...
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