A 60.0-kg runner expends 342 W of power while running a marathon. Assuming 14.0% of the energy is delivered to the muscle tissue and that the excess energy is removed from the body by sweating, determine the volume of bodily fluid (assume it is water) lost per hour. (At 37.0°C the latent heat of vaporization of water is 2.41 ✕ 106 J/kg.) ______________cm3

Q: A certain coal-fired power plant has a rated power capacity of P = 950 MW. The output of this plant…

A:

Q: An automobile engine converts heat into work via a cycle. The cycle must finish exactly where it…

A:

Q: A hot air balloon is being inflated to its full extent by heating the air inside it. In the final…

A:

Q: A 2000kg car is advertised that it can go from rest to 30m/s, drives 100km, and 3000m in height on 1…

A: Part (a): The 1 gram of gasoline gives 5×104 J of heat energy. Hence, the total heat energy (Q)…

Q: 1. (a) How much heat transfer occurs to the environment by an electrical power station that uses…

A:

Q: A thermodynamic system undergoes a process in which its internal energy decreases by 500 J. If at…

A: Given that:Internal energy, ∆Eint=-500 JWork done, W=800 J

Q: In a thermodynamic process, 1500 J of heat flows into the system and, at the same time, the system…

A: The heat flow into the system is ∆Q = 1500 J. The constant external pressure is P = 9.0x104 Pa. The…

Q: A fish at a pressure of 1.1 atm has its swim bladder inflated to an initial volume of 8.16 mL. If…

A:

Q: An engineer on Mars operates a motor that loses 45 kilojoules [kJ] of energy as heat in 20 minutes…

A:

Q: A 20 kg block is slid down a rough ramp. The block starts from rest at the top of the ramp. When the…

A:

Q: A thermodynamical system performs work and at the same time exchanges energy to the outside…

A:

Q: Water is being heated in a closed pan on top of a range while being stirred by a paddle wheel.…

A:

Q: A heat engine uses two containers held at different temperatures. One container is at 294 K, while…

A:

Q: Question 15 See the below figure. Calculate the work done performed by each heat engine and rank…

A:

Q: In a process for the production of raw materials for the elaboration of circuits, a gas at 1227 ° C,…

A: For an ideal machine ,we can apply Carnot conditions.

Q: We heat water in a pool with dimensions 10 × 5.0 × 2.0 m3 with a heater so that the temperature is…

A: Given data V=100 m3T1=10 KT2=0.005 Kt=5 min

Q: Heat flows through a wall at a rate of 3 x 10° kJ/hr. The temperatures of two faces of the wall are…

A: Given Data: Q˙=3×105 kJ/hr=3×1053600=83.333 kJ/kWT1=3270C=3270C=327+273=600 KT2=2070C=480…

Q: A sealed container containing water with stirring wings inside is heating up on the stove. In this…

A:

Q: A container of 114.0 g of water is heated using 67.0 W of power. How long will it take to raise the…

A: Given data:  Mass (m) = 114.0 g Power (P) = 67.0 W Initial temperature (Ti) = 15°C Final temperature…

Q: Three different processes act on a system. In process A, 42 J of work are done on the system and 77…

A: If the system undergoes 42 J of work and receives 77 J of heat, we must calculate the system's…

Q: A system undergoes a two-step process. In the first step, the internal energy of the system…

A:

Q: A gasoline engine takes in 1.61×104 J of heat and delivers 3700 J of work per cycle. The heat is…

A:

Q: A force, P = 3.0 N, acts at 40 degrees to the horizontal on an object as shown in the figure. The…

A: Let work dome by friction is Wf Work done by P (WP) = (PCos40°)×2.5 WP = 3×Cos40° × 2.5 = 5.74 J

Q: In the extrusion of cold chocolate from a tube, work is done on the chocolate by the pressure…

A: By condition,

Q: - What is the change in internal energy (in J) of a system that does 4.50 ✕ 105 J of work while…

A:

Q: If the plant operates at 50.0% of its maximum efficiency and its power output is 1.23 × 108 W, at…

A: The given data are: TH=540 KTL=313 KQH=1.23×108 W Here, TH is the higher temperature, TL is the…

Q: A mixture of gas expands from 0.02 cubic meters to 0.08 cubic meters at a constant pressure of 7.78…

A:

Q: A weightlifter drinks a protein shake that contains 2.00 × 10² Calories. She then performs multiple…

A: Given Data:The protein shake contains the amount of energy isThe work done by the weightlifter is…

Q: A power plant taps steam superheated by geothermal energy to 558 K (the temperature of the hot…

A: Given data: Temperature of hot reservoir, Th=558 K Temperature of cold reservoir, Tc=305 K Output…

Q: A 53-kg mountain climber, starting from rest, climbs a vertical distance of 764 m. At the top, she…

A:

Q: You are boiling water in a pot on the stove for your tea. Being the brilliant scientist you are, you…

A: Given. The 0.1 kg of water in a pot is boiling at 100 degrees celsius. In the process of boiling the…

Q: A series of thermodynamic process is shown below. In process ab, 150J of heat is added to the…

A: Given data: The heat added in the process ab is QA=150 J. The heat added in the process bd is QB=600…

Q: Consider the change in the internal energy of a system.  what is the change in the internal…

A: Given data: The work done by the system, δW=4.75×105 J   The heat supply to the system, δQ1=3.05×106…

Q: Problem 12: A system does 1.9 × 108 J of work while 5.5 x 108 J of heat is transferred from the…

A: Given : Work done (W) = 1.9 x 108 Joule  Heat transferred (Q) = - 5.5 x 108 Joule ..... (Negative…

Q: An engine has a hot reservoir that contains 20,000 J of heat energy at 3270 C, and a cold reservoir…

A:

Q: week 5 #10 A power plant burns coal to produce pressurized steam at 543 K. The steam then condenses…

A: The objective of the question is to find the rate at which heat must be removed by a cooling tower…

Q: The motor that drives a refrigerator produces 151 W of useful power. The hot and cold temperatures…

A:

Q: model steam engine of 1.00 kg mass pulls eight cars of 1.00 kg mass each. The cars start at rest and…

A: First law of thermodynamics assigns that the change in internal energy of a system is equal to the…

Q: A furnace supplies 36.0 kW of thermal power at 230 C to an engine that exhausts waste energy at 20.0…

A:

Q: 1. Suppose a woman does 500 J of work and -9400 J of heat transfer occurs into the environment in…

A: Workdone, W = 500 J Heat transferred, Q = -9400 J

Q: In a certain process, the energy of the system decreases by 250 kJ. The process involves 480 kJ of…

A: In a closed system, the net change in the total energy of the system is  mathematically given as,…

Q: An experiment is conducted with a Joule apparatus. The hanging objects descend through a distance of…

A: Total energy decrease is equal to energy added to water

Human Metabolism

Being described as the most complicated machine ever encountered by humans, the human body and the cell metabolism is nothing less than a wonder. Metabolism is the set of life-sustaining chemical reactions within organisms.