Suppose the thermal conductivity of material A is 386 W/m-K and the temperature at the interface between material A and material B is 137°C, calculate the thermal conductivity of material B. Show your complete solution. 190°C 1906 200 °C O LPM

Q: During a workout, a person repeatedly lifts a 16-lb bar- bell through a distance of 1.1 ft. How many…

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Q: One watt of energy is equivalent to 3.41 Btu/h. An old storeroom is convertedinto a movie studio.…

A: One watt energy corresponds to 3.41 BTU/h 1 BTU/h is 1 british thermal unit. It is a unit of…

Q: 112 cal to kilowatt-hours

A: Given  112 calorie   To convert into kilowatt-hours

Q: how much gpe does a 2kg block have if it is lifted 12.5 m high?

A: Given: Mass of block, m=2 kg Height at which mass is lifted, h=12.5 m   To determine gravitational…

Q: ne liter of a certain gas is heated from 25 degrees C to 1000C. What is the final volume

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Q: Metal block: m=0.23kg , T= 38.1C Water: m= 2.5 kg, T= 14C. The block dropped into the water, final…

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Q: The decibel is defined as ten times the logarithm of power gain, expressed as power out over power…

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Q: P2 P1 Vị V2 V The heat added on the leg PV. PVis A. CyAPV /R В. CPAPV/R C. CyAVP/R D. CPAVP/R

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Q: Two masses, one of 10 kg and the other unknown, are placed on a scale in a region where g= 9.67…

A: To solve the problem, we will apply the given formula for both the masses and add their weights. The…

Q: 80 J of work are done on the gas in the process as shown. What is Vf in cm3?

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Q: 126 J of heat are extracted from the inside of a fridge. If its COP is 4, how much heat in joules…

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Q: Consider the following figure. (a) Find the equivalent capacitance between points a and b for the…

A: (b) Given: The circuit given is as follows: The capacitance C1=2.0 μF, C2=15.0 μF and C3=3.0 μF.…

Q: Steam enters a turbine with an enthalpy of 1292 Btu/lb and leaves with an enthalpy of 1098 Btu/lb.…

A: Given data: The enthalpy of the steam at inlet is H1=1292 Btu/lb. The enthalpy of the steam at…

Q: An electric heater carries 12A at 110V, is submerged in 22.5lbs of water for 30minutes. What will…

A: Power supplied =IV=12×110=1320 W Hence energy supplied =1320×t=1320×30×60=2376000 Joules specific…

Q: How many joules of energy is transferred by 3kw?

A: Given: The power is P=3 kW. The expression for energy (E) in joules is: E=P

Q: During a workout, a person repeatedly lifts a 16-lb barbell through a distance of 1.1 ft. How many…

A: The quantity of repetitions needed to burn 150 C must be ascertained.  We are aware that the barbell…

Q: If an immersion heater heats 300 g of water for 2 minutes and the temperature rises by 30 °C, find…

A: Mass of water is m=300 g=0.3 kg Increase in temperature of the water is Δθ=30oC Specific heat of…

Q: Calculate the heat change (q) in J when 4.228 grams of water is cooled from 4.797 ºC to -2.699 ºC.

A: Given data *The mass of the water is m = 4.228 g *The initial temperature is Ti = 4.797 0C = (273.15…

Q: How much energy does it take to warm up 4.8 kg of iron from room temp (22oC) to 400oC

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Q: Convert 2800K to the Fahrenheit scale?

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Q: what is the final volume of the balloon?

A: Given, V1=1.5L T1=15+273.15=288.15 K T2=65+273.15=338.15 K According, to Charles's law "Volume of a…

Q: Convert to SI Unit:  10 kcal/min ft oF to W/mK

A: Some unit conversions, which are known to us are as follows 1 kcal = 4184 J 1 min = 60 s 1 ft =…

Q: how much energy is transferred when 1 gram of steam at 100 C condenses to water at 100C?

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Q: 1350 Watts for a period of 25 minutes How many Joules is this? Thank you!

A: Given data:  Power (P) = 1350 W Time (t) = 25 min Required: Energy (E) in Joules

Q: An instant electric heater heats water, flowing at a rate of 1,2 kg/min from 10*C to 100*C. Find the…

A: Write the given values with suitable variables. m˙=1.2 kg/min=1.2 kg/min×1 kg/s60 kg/min=0.02…

Q: How many joules of energy does a 100W lightbulb use in one hour?

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Q: a 2,294kg sample of water at 0C is cooled to -36 C and freezes in the process. how much heat is…

A: The expression for the energy liberated as follows:

Q: 3. How long must a 400 W electrical engine work in order to produce 300 kJ of work?

A: GivenPower of electrical engine, P=400 WWork done , W=300 kJ

Q: . The masses m; are located at the points P;. Find the moments Mg and My and the enter of mass of…

A: Given: m1=5, m2=4, m3=3, m4=6P1(-4,4), P2(0,5), P3(3,2), P4(-1,2)

Q: An electric kettle was marked 500 Watt, 230 volt and was found to bring one kg of water at 15 degree…

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Q: A cube of steel is heated from 70 oF to 400 oF. If each side of the cube is 3.5 in, how much energy…

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Q: 1). For a Carnot engine with a running temperature of 500° C on a cold winter day in Chicago (- 15°…

A: Given data, Temperature of the source = 500oC temperature of the sink = -15oC Value of IC = 35 %

Q: An electric kettle was marked 500 Watt, 230 volt and was found to bring one kg of water at 15 degree…

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Q: How much steam at 250F would be required to heat 10 lb of water from 70F to 210F in a direct…

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Q: A 361-W heat pump operates between the ground, whose temperature is 6.2, and the interior of a house…

A: ΔT = T2 - T1 ΔT = 20.1°C - 6.2°C = 13.9°C

Q: 6. An engine releases 1675 J of energy per cycle and performs  200J of work. How much heat is…

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Q: A 25-gram metal ball is heated at 2000C with 2330 Joules of heat. What is the specific heat of…

A: Given : Mass of a metal ball (m) = 25-gram Temperature difference (∆t) = 200°C Heat (Q) = 2330 J

Q: For CD- AISI 1040 steel plate shown in figure below, find the safety of factor. 14 MPa a = 60 30 MPa

A: for Given AISI 1040 steel plate  ultimate stress= 620Mpa σx= 30 Mpa, σy= 14 Mpa working stress of…

Q: During a workout, a person repeatedly lifts a 16-lb barbell through a distance of 1.6 ft. How many…

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Q: To produce 96 hp of mechanical power, an automobile engine requires a supply of heat of 4.91  105 J…

A: Given data:  Output mechanical power (Pout) = 96 hp Rate of heat energy supply = 4.91×105 J/s…

Q: much thermal energy was added to the calorimeter if 2 kg of water is raised by 5C?

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Q: 11. For à = 3i + j – k, B = −i + 2j + 5k, and C = 2j – 3k, find C. (A - B).

A: The objective of the question is to find the dot product of vector C and the difference of vectors A…