A sleeping 68 kg man has a metabolic power of 71 W. How many Calories does he burn during an 8.0 hour sleep?

Q: Energy that is not utilized for work or heat transfer in the human body is converted to the chemical…

A: The total energy burns is, Eburn=1.2 kcal/min8 hours60 min1 hour+1.7 kcal/min16 hours60 min1…

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

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Q: )How long in minutes will the energy in a 904 k) (216 kcal) cup of yogurt last in a woman doing work…

A: Given: The energy is 904 kJ.             The power is 125 W.             The efficiency is 20.0%.…

Q: The total mass of a paratrooper - the person and all the gear - is 118kg. the paratrooper jumps out…

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Q: Please help! Thank you! A 68.4-kg sky diver jumped out of an airplane at an altitude of 0.900 km.…

A: Given Data : The mass of the skydiver is given as m = 68.4 Kg. The height of the skydiver initially…

Q: A fire is lit in a hot air balloon, causing 100 J of heat to flow into the air in the balloon.…

A: The change in internal energy is given by, ∆U=Q-W

Q: A crate of fruit with a mass of 31.0 kg and a specific heat capacity of 3600j/(kgxk) slides 8.40m…

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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: A 68 kg cyclist is pedaling down the road at 15 km/h, using a total metabolic power of 480 W. A…

A: The cyclist spends only about 25% of the total metabolic power (P) generated in his body to propel…

Q: The specific heat of steam at atmospheric pressure is 2,010 J/kg °C. Evaluate the energy required to…

A: Given : c = 2010 J/kg.°C m = 3.30 kg Ti = 110°C Tf = 132°C

Q: The specific heat of water is 4186 J/kg c°. How much does the internal energy of 200 g of water…

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Q: While riding his bicycle, Jans does 7.5 E7 J of work and gives off 4.3 E7 J of heat. What is the…

A: Given Data:Work done Heat released To Determine:The change in the internal energy of the person.

Q: A container holds 4.0 x 1022 molecules of an ideal gas at 0 °C. A piston compresses the gas, doing…

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Q: A 46-kg woman cheats on her diet and eats a 685-Calorie (685 kcal) jelly doughnut for breakfast.…

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

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Q: A coal- burning steam locomotive heats steam to 180°C and exhausts it at 100°C. During 1 s of its…

A: Refer Table “Heat engine efficiencies. Typical input and exhaust temperatures, ideal (best possible)…

Q: A kettle delivers 2.80 kW of power to 1.45 kg of water. The water is initially at a temperature of…

A: heat require to change the temperature = mc∆T Where c = specific heat heat require to change state =…

Q: Rocky spends all the afternoon hours watching sports on cable TV. In the process, he does 1118 J of…

A: Rocky spends all the afternoon hours watching sports on cable TV. In the process, he does 1118 J of…

Q: A student evaluates a weight loss program by calculating the number of times she would need to climb…

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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: Give an explanation of how food energy (calories) can be viewed as molecular potential energy…

A: Given: Food energy can be viewed as molecular potential energy is discussed below.

Q: crate of fruit with a mass of 32.0 kg and a specific heat capacity of 3650 J/(kg⋅K) slides 8.80 mm…

A: According to work energy theorem Work done by net force = change in kinetic energy

Q: A weightlifter curls a 28 kg bar, raising it each time a distance of 0.55 m.  How many times must…

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Q: On a typical day, a 65-kg man sleeps for 8.0 h, does light chores for 3.0 h, walks slowly for 1.0 h,…

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Q: A pearl diver fills his lungs with 5.25 LL of air at normal atmospheric pressure and then dives to…

A: Initial volume, V1 = 5.25 L => V1 = 5.25*10-3 m3 Initial pressure, P1 = 1 atm => P1 = 101325…

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

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Q: A 68 kg cyclist is pedaling down the road at 15 km/h, using a total metabolic power of 480 W. A…

A: The total chemical energy (C.E) (metabolic power) can be converted into thermal energy (Th.E) and…

Q: A 68 kg cyclist is pedaling down the road at 15 km/h, using a total metabolic power of 480 W. A…

A: Given: The mass of the cyclist is m=68 kg. The speed of the cyclist is v=15 km/h. By applying…

Q: work done on the copper bar

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Q: A3.5 kg mass is sliding across a horizontal table at an initial speed of 6.8 m/s before friction…

A:

Q: How long in minutes will the energy in an 862 kJ (206 kcal) cup of yogurt last in a woman doing work…

A: Given Data: The energy stored in Yogurt is, E=862 kJ The power is, P=110 W The efficiency of a woman…

Q: Compressed air can be pumped underground into huge caverns as a form of energy storage. The volume…

A: From ideal gas law,Thus, we can find the internal energy to be,

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

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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 pronghorn antelope can run at a remarkable 18 m/s for up to 10 minutes, almost triple the speed…

A: Given data *The power required is Pr = 3.4 kW = 3.4 × 103 W *The efficiency of the pronghorn is η =…

Q: If I add 37,483 J of energy to an ideal gas inside a balloon, causing the internal energy to…

A: Given data The heat added inside the balloon is given as ∆Q=37483 J. The increase in internal…

Q: A PHYS 1510 student was working on a robotics project. The joints on the machine they were building…

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Q: A typical weather balloon is made of a thin latex envelope that takes very little force to stretch,…

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

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Q: 9. A physics student decides to “burn off” some Calories by climbing a ladder. As the ladder is…

A: Part (a) Given data: The mass of the student is m=75 kg. The calories to burn off is E=1 Calorie…

Q: A pronghorn antelope can run at a remarkable 18 m/sm/s for up to 10 minutes, almost triple the speed…

A: mass (m) = 32 kg speed (v) = 18 m/s Power = 3.4 kW = 3400 Wtime = 10 minutes

Q: How much energy does a freezer have to remove from 1.5 kg of water at 20° C to make ice (at 0° C)?

A: Given that mass of the water to be converted in ice and initial temperature of water and also given…

Q: A gasoline engine has a power output of 170 kW (about 2.28×105 hp ). Its thermal efficiency is 22.0…

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Q: A(n) 88-kg sprinter accelerates from rest to a speed of 11.0 m/s in 4.2 s. (a) Calculate the…

A: Given that, Mass of the sprinter is m = 88 kg. The sprinter accelerates from rest thus initial…

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.