A 12-g lead bullet traveling at 220 m/s  passes through a thinwall and emerges at a speed of 160 m/s If the bullet absorbs50% of the heat generated, (a) what will be the temperaturerise of the bullet? (b) If the bullet’s initial temperature was20°C, will any of the bullet melt, and if so, how much?

Q: Q.2/A thermocole cubical ice box of side 30 cm has a thickness of 5.0 cm. If 4.0 kg of ice is put in…

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Q: How many joules of heat transfer are required to thaw a 0.297-kg package of frozen vegetable juice…

A: The Expression for the latent heat of fusion is, Q=mLf

Q: A wall 2 cm thick is to be constructed from material that has an average thermal conductivity of 1.3…

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Q: A steel section of the Alaskan pipeline had a length of 62.6 m and a temperature of 19.4°C when it…

A: Equation for change in length of a solid due to temperature change is,

Q: In a production facility, 1.2-in-thick, 2-ft *2-ft square brass plates (r = 532.5 lbm/ft3 and cp…

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Q: A long steel I-beam used in bridge construction has a length of 19.0 m. The beam may be exposed to…

A: Given data: Length of beam is, L=19.0 m. Value of low temperature is, T1=-20∘C. Value of high…

Q: Your 300 mL cup of coffee is too hot to drink when served at 90°C. What is the mass of an ice cube,…

A: Given data: Volume of coffee m = 300 ml So, mass of coffee = 300 g = 0.3 kg Temperature of hot…

Q: When an air bubble rises from the bottom to the top of a freshwater lake, its volume increases by…

A: Given that the temperature at the bottom of the lake is Tb = 40C and at the top it is 100C. The…

Q: A 100 gram piece of ice at 0 °C is added to 400 grams of water at 30 °C. Assuming the system is…

A: Given: The mass of ie is mi=100 g. The mass of water is mw=400 g. The temperature of ice is T=0°C.…

Q: How does the latent heat of fusion of water help slow the decrease of air temperatures, perhaps…

A: The latent heat of water below zero degree Celsius (ice) is 334 J/g. the amount of latent heat of…

Q: How much heat transfer (in kilocalories) is required to thaw a 0.450-kg package of frozen vegetables…

A: Given : Mass of the vegetables, m = 0.450 kg Temperature of the frozen vegetable, T = 0C Required :…

Q: In a calorimeter of negligible heat capacity, 200 g of steam at 150 °C and 100 g of ice at −40 °C…

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Q: What would be the final temperature of a mixture of 100 g of water at 90°C and 600 g of water at…

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Q: A window glass 0.50-cm thick has dimensions of 3.0 m by 1.5 m. If the outside temperature is 40°C…

A: Given: The thickness (t) of the window is 0.50 cm. The dimensions of the window are 3 m by 1.5 m.…

Q: How much heat transfer (in kilocalories) is required to thaw a 0.450-kg package of frozen vegetables…

A: It is given that,

Q: A steel section of the Alaskan pipeline had a length of 50.6 m and a temperature of 19.1 °C when it…

A: Given: The length of the pipeline is 50.6 m. The initial temperature is 19.1°C. The final…

Q: The inner and outer surfaces of a 4-m * 7-m brickwall of thickness 30 cm and thermal conductivity…

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Q: Consider a block of ice, with a mass of 2.00 kg and an initial temperature of -8.00°C. Given the…

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Q: Saturated steam at 1 atm condenses on a vertical plate that is maintained at 90°C by circulating…

A: Using table A-5, the enthalpy of vaporization of water at 1 atm,

Q: An incandescent lamp filament has an area of 50 mm2 and operates at a temperature of 2,127°C. If all…

A: From Stefan - Boltzmann law we know that the power radiated from black body is given by…

Q: A 76.0-kg person suffering from hypothermia comes indoors and shivers vigorously. How long does it…

A: The shivering creates the energy of 425 W.  Therefore, from the expression of the heat transfer and…

Q: A soft-drink can contains about 0.35 kg of liquid at 5°C.Drinking this liquid can actually consume…

A: The heat required to warm the liquid, Q=mcΔT Here, m is the mass, c is the specific heat,  ∆Tis the…

Q: What is the rate of heat loss through windows on a chilly-5 degree Celsius day from a typical house…

A: Area of windows (A) = 26 m2Thickness (d) = 4 mm inside temperature (T) = 20oC Outside temperature…

Q: A long steel I-beam used in bridge construction has a length of 17.0 m. The beam may be exposed to…

A: Given, Length = 17.0 m lowest temperature = -23 degree celsius  giher temperature = 40 degree…

Q: Answer the following by filling the blank: During a bout with the flu, an 80-kg person ran a fever…

A: Mass of body , M=80 kg Specific heat , S = 3470 J/kg K Final temperature , Tf = 39 oC We know…

Q: Provide the solution to the problem. The answer is provided already. The height of the Washington…

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Q: A cheese ripening room which, has a total surface area of A = 25.0m², has to ensure that the inside…

A: The rate of heat transfer(energy per unit time) is proportional to the temperature difference (T2 −…

Q: How much heat transfer (in kilocalories) is required to thaw a 0.450-kg package of frozen vegetables…

A: mass, m = 0.45 kg

Q: A long steel I-beam used in bridge construction has a length of 20.0 m. The beam may be exposed to…

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Q: The specific heat of a substance varies with temperature accordingto the function c = 0.20 + 0.14T +…

A: The equation for the heat energy required is given by,

Q: One face of a copper plate 3 cm thick is maintained at 400◦C, and the other face is maintained at…

A: Write the given values with the suitable variables. x=3 cm=0.03 mT1=400 °CT2=100 °C Here, x, T1, and…

Q: During a cold winter day, wind at 55 km/h is blowing parallel to a 4-m-high and 10-m-long wall of a…

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Q: During moderate activity, the body of a person weighing 70 kg creates 1.0 MJ energy per hour. About…

A: SOlution: Given that m = 70 kg E = 1 MJ 80% of that energy is converted into heat.

Q: The latent heat of vaporization of H,O at body temperature (37.0 °C) is 2.42 × 10ʻ J/kg. To cool the…

A: The jogger’s mass is, The latent heat of vaporization of water at 37 degrees Celsius is, The…

Q: ) Gold has a specific heat of 130 J/kg X, and wood has a specific heat of 1 300 J/kg-K. If a piece…

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Q: The specific heat capacity of water is extremely high. If it were much lower, say, one-fifth as…

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Q: When doing an experiment to find the specific latent heat of fusion of liquid nitrogen, you find…

A: Given : Hear removed = 100 kJ Mass of the Nitrogen = 3.8 kg

Q: On its highest power setting, a microwave oven increases the temperature of 0.400 kg of spaghetti by…

A: Given: The mass of spaghetti is m=0.4 kg. The temperature is ∆T=45.0°C. The time is t=120 s. The…

Q: A thin square steel plate, 10 cm on a side, is heated in a blacksmiths forge to a temperature of 800…

A: Given: The side of the squre steel is 10 cm = 0.1 m. The temperature of the steel is 800oC. The…

Q: Oil at 60°C flows at a velocity of 20 cm/s over a5.0-m-long and 1.0-m-wide flat plate maintained at…

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Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.