0.100 kg copper sample is dropped from the roof of a 50.0-meter high building. If 50 % of thermal energy produced when it hits the ground is absorbed by the object, Find its temperature increase

Q: 15. A O.100 kg copper sample is dropped from the roof of a 50.0 meter high building. If 50 % of…

A: The heat absorbed by the copper sample is given as, Here, m, cCu and ΔT represent the mass of…

Q: A student performs an experiment using an aluminum cup that contains 225 g of water and a 130 g…

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Q: A 5 gram lead bullet traveling in 20°C air at 300 m/s strikes a flat steel plate and stops. What is…

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Q: A 50.0-g sample of a material at 80.0°C is dropped into a calorimeter containing 100.0 g of water at…

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Q: An insulated mug of coffee contains 413.45 cm3 of coffee at 78.98 °C. You drop 26.7 g of ice (0 °C)…

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Q: A 10.0 g metal sample at 25 Celsius was heated at a certain temperature which causes it to absorb…

A: Given data:  Mass of metal (m) = 10.0 g Initial temperature (T0) = 25 °C Heat absorbed (Q) = 800 J…

Q: A 2.4-cm-thick wood floor covers a 4.0m×5.5m room. The subfloor on which the flooring sits is at a…

A: The expression for the rate of heat conduction through the floor is,

Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 95.0°C. The substance is…

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Q: apply a flame to 1 L of water for a certain time and its temperature rises by 2C°. If you apply the…

A: Given:-  Suppose you apply a flame to 1 L of water for a certain time and its temperature rises by…

Q: A 6.0 kg zinc cannonball has been sitting in the desert sun all day. Its temperature is 49°C. Night…

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Q: body cools at the rate of 0.5 C per second when it is above 500 C the surroundings. What is the rate…

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Q: A 0.03 kg lead bullet traveling 217 m/s strikes an armor plate and comes to stop. If all of the…

A: Kinetic energy of bullet will be given by following formula: K=12mv2 Here K is the kinetic energy ,…

Q: One end of an insulated metal rod is maintained at 100 degrees C, while the other end is maintained…

A: The mass of ice is, m=8.5 g=0.0085 kg The time taken in heat conduction is, t=10 min=10×60 s=600 s…

Q: An insulated mug of coffee contains 493.26 cm3 of coffee at 90.85 °C.  You drop 24.8 g of ice (0 °C)…

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Q: A block of aluminum at a temperature of T1 = 31 degrees C has a mass of m1 = 14 kg. It is brought…

A: mass of m1 = 14 kg mass of m2 = 0.5m1  Temperature of T1 = 31 Temperature of T2 = 15 Heat capacity…

Q: A wall is constructed of two layers of 0.7-in-thick sheetrock (k = 0.10 Btu/h·ft·°F), which is a…

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Q: You drop an ice cube into an insulated flask full of water and wait for the ice cube to completely…

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Q: A 25.95 g sample of methanol at 35.60 °C is added to a 38.65 g sample of ethanol at 24.70 °C in a…

A: SOlution:

Q: In an electrically heated home, the temperature of the ground in contact with a concrete basement…

A: Given information: Here, To and Ti are the temperature of the wall’s outside and inside surface…

Q: A 100g aluminum calorimeter contains 250g of water. The two substances are in thermal equilibrium…

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Q: The temperature of a brass bar rises by 10.0°C when it absorbs 2.00 kJ of energy by heat. The mass…

A: Expression for specific heat can be express as-  C=Qm∆T .....(1) Given values -  Q = 2 kJ = 2000 J…

Q: Four different materials initially at the same temperature were placed onto a hot stove. The…

A: Introduction: Among the various properties of matter, thermal conductivity is the property that…

Q: A pond with a flat bottom has a surface area of 820 m2 and a depth of 2.0 m. On a warm day, the…

A: given:surface area = 820 sq mdepth = 2 mtemperature of surface water= 25o Ctemperature of bottom of…

Q: An aluminum calorimeter with a mass of 100 g contains 250 g of water. The calorimeter and water are…

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Q: he temperature of a silver bar rises by 15° C when it absorbs 1.32kJof energy by heat.The mass of…

A: Given data: Change in temperature is ∆T=15 oC Change in heat is, ∆Q=1.32×103 J Mass of the bar is…

Q: Many species cool themselves by sweating, because as the sweat evaporates, heat is transferred to…

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Q: In an electrically heated home, the temperature of the ground in contact with a concrete basement…

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Q: A box with a total surface area of 1.20 m and a wall thickness of 4.00 cm is made of an insulating…

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Q: The heat of hydration of dough, which is 15 kJ/kg, will raise its temperature to undesirable levels…

A: Given: Heat of Hydration (H) = 15 kJ/kgTemperature of city water (Tc) = 15°CLet the temperature of…

Q: As a liquid goes through a phase change to a gas, heat is absorbed and the temperature a) remains…

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Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 90.0°C. The substance is…

A: The heat lost by the unknown substance is equal to the heat gained by calorimeter and water.   The…

Q: A copper calorimeter of mass 60 g contains 100 g of an unknown liquid at 20℃. A piece of aluminum of…

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Q: A 0.02 kg lead bullet traveling 124 m/s strikes an armor plate and comes to stop. If all of the…

A:

Q: An aluminum calorimeter with a mass of 100 g contains 250 g of water. The calorimeter and water are…

A: Thermal equilibrium is achieved when there is no heat transfer. This means that both the system in…

Q: During a marathon race David uses energy at a rate of 292 W. What volume of body fluid does he lose…

A: Given: The energy used by device is P=292 W. The time is t=5.5 hours. The percentage of the energy…

Q: A wooden ice box has a total area of 1.50 m2 amd walls with an average thickness of 2.0 cm. The box…

A: Here,

Q: The latent heat of fusion of ice is 334 J/g. What does this value means? 334 J of energy is needed…

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Q: Specific heats can be measured in a drop calorimeter in which a heated sample is dropped into the…

A: Given  Mass of metal m1=40g Initial temperature of metal T1=750 C Mass of water m2=25g Specific heat…

Q: An iron railroad rail is 300 m long at temperature 31. What is its length  when the temperature is…

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Q: You drop an ice cube into an insulated flask full of water and wait for the ice cube to completely…

A: Given that:Mass of ice cube: mi=80.0 gTemperature of ice: Ti=0°CMass of water: mW=720 gTemperature…

Q: A 98.2-g aluminum calorimeter contains 250 g of water. The aluminum and water are initially in…

A:

Q: A pond with a flat bottom has a surface area of 946 m2 and a depth of 2.44 m. On a warm day, the…

A: The rate of heat energy due to conduction is

Q: A 60.0-kg runner expends 359 W of power while running a marathon. Assuming 12.5% of the energy is…

A: Given: The mass of the runner is 60.0 kg. The power of the body is 359 W. The percentage of energy…

Q: An aluminum cylindrical container has an overall surface area of 0.2 m2 and a wall thickness of 50…

A:

Q: A 99.8-g aluminum calorimeter contains 243 g of water. The aluminum and water are initially in…

A:

Q: In an electrically heated home, the temperature of the ground in contact with a concrete basement…

A: the expression for amount of heat produced per second is,