While painting the top of an antenna 225 m in height, a worker accidentally lets a 1.00 L water bottle fall from his lunchbox. The bottle lands in some bushes at ground level and does not break. If a quantity of heat equal to the magnitude of the change in mechanical energy of the water goes into the water, what is its increase in temperature?

Q: The highest recorded waterfall in the world is found at Angel Falls in Venezuela. Its longest single…

A: Given:- Height(h)= 807m Initial temperature(Ti)=15.9°C specific heat of water(C)=4186 J/kg°C

Q: Two blocks of copper, one of mass 1 kg and the second of mass 3 kg, are at the same temperature.…

A: Using the thermal energy equation, The thermal energy is proportional to the mass Here, both the…

Q: What will be the final temperature if 4.0 x 104 J of heat is transferred to a 1.5- kg block of…

A: From the question it is given that:  Heat transferred: ∆Q = 4.0×104 JMass of aluminium block: m =…

Q: A glass window in a home is 0.62cm thick and has dimensions of 1 m x 2 m.  On a certain day, the…

A: Given Data Thickness of the glass window is d=0.62 cm=0.62×10-2 m Area of the window is A=(2×1)=2 m2…

Q: m cold Mass of cold water (g) = 50 g Tic Initial temperature of m cold water =15 C m hot Mass of hot…

A: Given: Mass of cold water mcold=50 g. Initial temperature of cold water Tic=15 oC Mass of hot water…

Q: The same amount of heat entering identical masses of different substances produces different…

A:

Q: The 0.75 cm thick windows of a house have a total surface area of 9.0 m². The thermal conductivity…

A:

Q: A 6.20-kg steel ball at 19.4°C is dropped from a height of 11.2 m into an insulated container with…

A: mass m1  = 6.20 kg height H = 11.2 m volume V = 4.50L V = 4.50 X 10-3 m3 mass of water m2 = density…

Q: In a calorimetry experiment, two liquid substances X and Y with the same mass are placed in separate…

A:

Q: - The increase in internal energy of 1kg of water at 100°C when it is converted into steam at the…

A:

Q: A concerned mother is dressing her child for play in the snow. The child's skin temperature is…

A: Given: The emissivity of the child's skin ε= 0.700 Exposed area A=1.25 ✕ 10-2 m2 Skin temperature…

Q: At room temperature, a typical person loses energy to the surroundings at the rate of 62 W. If this…

A: Given data :                 Rate of energy lost  = 62 W

Q: A certain double-pane window consists of two glass sheets, each 80 cm x 80 cm x 0.30 cm, separated…

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Q: drawing shows a solid cylindrical rod made from a center cylinder of lead and an outer concentric…

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Q: On a hot day, the temperature of an 80,000-L swimming pool increases by 1.50 °C . What is the net…

A: The expression for the net heat transfer is,

Q: A 2 kW electric heater raises the temperature of 400 g of water from 15 °C to 353.15 K. How long…

A:

Q: A 0.2-kg aluminum plate, initially at 20°C, slides down a 15-m-long surface, inclined at a 30 degree…

A: Given Information: The mass of the aluminum (m) = 0.2 kg The initial temperature of the aluminium…

Q: The amount of heat per second conducted from the blood capillaries beneath the skin to the surface…

A: The equation used to calculate the amount of heat energy that flows during a time t through a medium…

Q: On a hot day, the temperature of an 80,000-L swimming pool increases by 1.50ºC1.50ºC. What is the…

A:

Q: A glass window is 1.9 mm thick, is 2.32 m tall by 1.08 m wide, and has a thermal conductivity of 1.0…

A:

Q: An unused wood-burning stove has a constant temperature of 18 °C (291 K), which is also the…

A:

Q: A 2.0-kg aluminum block is originally at 10 degrees celcius. If 36 k) of energy are added to the…

A: Given:Mass(m)=2 kg , specific heat (cp)=900 J/kg.KAdded heat = 36000 JInitial temperature,Ti=10°=283…

Q: At what net rate does heat radiate from a 275-m2 black roof on a night when the roof’s temperature…

A:

Q: A 2.0-kg aluminum block is originally at 10 degree Celcius. If 36 k) of energy are added to the…

A: Given that, Mass of the aluminum block, m = 2 kg The initial temperature of the block,…

Q: For a single pane window, as shown the thermal conductivity 1.4 W/m.k., the R-value for the window…

A: Given Data : The value of the thermal conductivity of the window is given as K=1.4 WmK The thickness…

Q: A student is trying to decide what to wear. His bedroom is at 20°C. His skin temperature is 35°C.…

A: Sigma( σ ) = Stefan Boltzmann constant =5.67×10^-8 W/m^2.K^2

Q: Brickwork is to be incorporated into the interior of a house to act as a heat absorber.  Each brick…

A: The mass of 100 gal of water is, M = 1(378.5) = 378.5kg The total heat capacity of 100 gal or 378.5…

Q: On a hot day, the temperature of an 80,000-L swimming pool increases by 1.50ºC . What is the net…

A: Given:  Volume of water, V = 80,000 L = 80,000 x 10-3 m3 density of water, d = 1000 kg/m3 rise in…

Q: A 2.0-kg aluminum block is originally at 10 degree Celcius. If 36 kJ of energy are added to the…

A: Given Data: The mass of the aluminum block is, m = 2 kg. The initial temperature is, t = 10° C. The…

Q: A 2.0-kg aluminum block is originally at 10 degrees celcius. If 36 kJ of energy are added to the…

A: Given data: The mass of the aluminum block is 2.0 kg. The initial temperature is To=10°C. The…

Q: The skin temperature of a nude person is 34.0∘C and the surroundings are at 20.5∘C. The emissivity…

A:

Q: A 4.90-kg steel ball at 26.6°C is dropped from a height of 21.8 m into an insulated container with…

A: Given : Mass of steel (ms) = 4.90 kg Temperature of steel (Ts) = 26.6°C  Height (h) = 21.8 m Volume…

Q: The same energy Q enters five different substances as heat. Which of these has the greatest specific…

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Q: On a hot dry day, evaporation from a lake has just enough heat transfer to balance the 1.00 kW/m2 of…

A: Given: The heat transfer from the sun is Q=1 kW/m2. The time of evaporation is t=1 h. The area of…

Q: While painting the top of an antenna 225m in height, you accidentally let a 1.00-L water bottle fall…

A: Height,h=225 mVolume of water =1 LiterMass of water,M=1 kgWater specific heat,C=4190 kJ/kgkFind the…

Q: A steam boiler is made of steel and weighs 900 kg. The boiler contains 400 kg of water. Assuming…

A: Given Mass of steel ms = 900 kg Mass of water mw = 400 kg heat capacity of steel cs = 0.11 kcal/kg K…

Q: A steam boiler is made of steel and weighs 900 kg. The boiler contains 400 kg of water Assuming that…

A: Given data: The mass of steel is ms=900 kg. The mass of water is mw=400 kg. The specific heat of…

Q: A newspaper article about the weather states that “the temperature of an object measures how much…

A: Temperature is the measure of the the average kinetic energy of the molecules in a system and it is…

Q: The bottom of a circular, aluminum pot has a radius of 8cm and a thickness of 1cm. The temperature…

A: the rate at which energy is transferred through the bottom of the pot is 41.212Kw.

Q: A concerned mother is dressing her child for play in the snow. The child’s skin temperature is 34.0…

A:

Q: A Styrofoam container used as a picnic cooler contains a block of ice at 0 oC. If 0.5 kg of ice…

A: It is given that,  m=0.5 kgt=0.79 hr=2844 sec

Q: A 2.0-kg aluminum block is originally at 10 degrees celcius. If 36 kj of energy are added to the…

A: Write the known values with the suitable variables. m=2 kgT1=10 °C=283 KQ=36 kJ=36×103 JC=900 J/kg K…

Q: A student is trying to decide what to wear. His bedroom is at 20°C. His skin temperature is 35°C.…

A: We have to convert temperature in to k K=°C+273

Q: If her body retains 10 J of thermal energy for each joule of work done while lifting, how many times…

A: Data Given , Mass of the women ( mw ) = 47 kg Mass of the barbell ( mb ) = 20 kg Height ( h ) = 0.80…

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.