Calories are expected in a single climb up the rope
As part of an exercise routine an 81.9 kg person climbs 40.4 m up a vertical rope. How many (food) Calories are expected in a single climb up the rope? The acceleration due to gravity is 9.8 m/s2 and 1 food Calorie is 103 calories.
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The air that remains in the tank undergoes a process described by PV^1.2=constant. For a control volume enclosing the tank, determine the heat transfer, in kJ. Assume ideal gas behavior with constant specific heats.
A winch pulls a car of mass 2000kg up a 20 degree incline at a speed of 3 m/s. What is the minimum power output of the winch? (minimum means ignore friction)
Cell biology, explain how facilitated diffusion presents similarities with enzymatic chemical reactions. qn2 how does the intensity of simple diffusion vary in relation to the concentration gradient
Use the following problem to determine the binding constraints for the optimal solution. MAX P = 30X + 40Y
Show that he is wrong by calculating the ratio of times required to achieve the same results at these two temperatures. Assume the iron in question is FCC.
What is the radiant energy absorbed per second by his head when it is covered with hair? The surface area of the hair (assumed to be flat) is 140 cm2 and its emissivity is 0.87.
On May 23, 1998, a tanker truck loaded with gasoline (p=719.7 kg/m^3) jumped a jersey barrier and collided with an oncoming pickup truck. The resulting fireball and blaze melted structural supports of the I-95 bridge near Philadelphia on which the
The amount of radiant power produced by the sun is approximately 3.9 x 1026 W. Assuming the sun to be a perfect blackbody sphere with a radius of 6.96 x 108 m, find its surface temperature (in kelvins).
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