2. Simplify the following using rules and laws. Write the law or rule used at each step. a) AB+(A'+B')C + AB b) (B+BC)(B+B°C)B+D)
Q: 8. A farrier left a metal bar in a room of constant temperature of 0°C. The temperature of the metal…
A: Given: Room temperature Tr=0°C, At t=0 minute temperature T=120°C, At t=25 minutes temperature…
Q: A surveyor uses a steel measuring tape that is exactly 75000m long at a temperature of 20 degree…
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Q: Compute a formula to show the correlation between the specific heat C, u(x,t) temperature and Q(x,t)…
A: We know that We considering the temperature in a one-dimensional bar of length L. We assume that the…
Q: 16. On a summer day at the equator on Mars, the temperature never rises higher than 50.0 degrees…
A:
Q: 19. The digital sign outside a local bank reports that the temperature is 41 "C. What is the…
A: Since more than one question is asked, solution for the first one is provided. Please upload the…
Q: 1. How much taller does the Eiffel Tower become at the end of a day when the temperature has…
A: Given value--- Change in temperature = 15 degree C. Original height = 321 m. linear expansion…
Q: A science article refers to a temperature of 180.0 K. What is the equivalent Fahrenheit temperature?
A: The relation between the Fahrenheit scale and the kelvin scale is F- 32180=K - 273.15100
Q: 19. The digital sign outside a local bank reports that the temperature is 41 °C. What is the…
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Q: Part A On a cold winter day when the temperature is -19 0°C, what is the amount of heat needed to…
A:
Q: 25. Given air, gauge pressure Pg=378.675KPag, t=21 1. Absolute pressure KPaa? a. 450 p. 460 C. 470…
A: As per guidelines , only 3 subparts are solved here. Given, Gauge pressure = 378.675 KPa temperature…
Q: 1. The human body release energy when we metabolize food. Calculate the energy radiating (e.g.…
A: Given that, A male=1.9 m2 A female=1.7 m2 ∈ human=0.97σ=5.78×10-8 W/m2-kTmean=37.0°C=310 K
Q: 5. The equation below describes one or more physical situations. Solve the equation for the unknown…
A: Given equation, V=9×109Nm2/C2×2×10-5C1000m+9×109Nm2/C2×-4×10-5C2000mV=180-180V=0
Q: 14. Under the spreading chestnut tree the village blacksmith dunks a red-hot horseshoe into a large…
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Q: How much heat is required to raise the temperature from 30 °C to 300 °C of a iron skillet of mass…
A: Write the expression for the required heat. Here, m represents the mass, c represents the specific…
Q: An electric kettle was used to heat a 1kg of ice at freezing point. Determine the heat needed (kJ)…
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Q: When a cold drink is taken from a refrigerator, its temperature is 5°C. After 25 minutes in a 20°C…
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Q: 2. A large box is heated in such a way that the temperature inside the box is given by T = T(x, y,…
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Q: 3. A solid metal ball sphere(ɛ = 0.76) has a radius of 3.5 cm is heated to 4,650 C and suspended…
A: Given: Emissivity of metal ball = ε = 0.76 Radius of the ball = r = 3.5 cm = 0.035 m Temperature of…
Q: A bar of zinc (c = 390 J/kg °C) at 210°C are dropped into 234 g of water (c = 4184 J/kg °C) at 11°C.…
A: Given:- The initial temperature of the Zinc is TiZ=210oC The mass of the water is m=234 g The…
Q: 1. How long (in seconds) will it take to heat 40 kg of water from 40°C to 80°C with a 20-kW…
A: Since there are multiple questions posted, we will answer the first question. The heat energy needed…
Q: QUESTION 2 A steel tape having a correct length at 20°C was used to measure a baseline and the…
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Q: A 10-MHz, 1-V/m uniform plane wave is propagating in a material (e, = 4 and μ, = 9) in the yz plane…
A: As the name implies, a phasor is simply a shorthand way to represent a sinusoidal signal. While it…
Q: An astronaut weighing 182 lbs on Earth is on a mission to the Moon and Mars. (a) What would he weigh…
A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-partsfor…
Q: Which of the following statements in regard to temperature is least valid? a. Temperature is that…
A: Explanation based on MCQ's : According to thermodynamics, temperature try to create the thermal…
Q: 1. A thermometer reads 30.9 °C. Calculate this temperature in Fahrenheit degrees. Fahrenheit…
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Q: Express the temperature (73.2oF) in Celsius degrees. Please include 1 decimal place in your answer.
A: The temperature in degree Celsius and Fahrenheit are related as C=59F-32
Q: 10/C"). What happens when the strip is heated? 6. A glass window has dimensions of 20 cm by 30 cm at…
A: Given data: Dimensions of glass window L1=20 cm. Dimensions of glass window L2=30 cm. Initial…
Q: If I mix 3 kg of water at 80 C with 1 kg of copper at 20 C, find the final temperature. c of copper…
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Q: The rate of cooling of a body can be expressed as dT dt = -k(T-Ta) where T = temperature of the body…
A: The heat transfer rate can be calculated by using newton's law of cooling, which gives:…
Q: A large steel plate has dimensions of 7.0m by 10.7m at a certain temperature. It is then cooled by…
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Q: A thermometer, reading 5°C, is brought into a room whose temperature is 22°C. One minute later the…
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Q: 5. Determine how much energy is needed to heat 1 kg of a material by 10°C, knowing its density is…
A: Given:mass m=1KgTemperature T=10°Cdensity ρ=0.9 g/cm3=900 kg/m3ρCp=3*106 J/kg K=3*106 J/kg °CTo…
Q: 3. Newton's law of cooling relates the temperature and the time of a cooling substance. A pan of…
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Q: 4. Through the ideal gas law, compute the following c. The volume of a system with a pressure of 27…
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Q: A car at rest accelerates at 6 m/s2. How far (in meter) does it travel in the first 3 seconds?
A: Given data: Initial velocity (u) = 0 m/s Acceleration (a) = 6 m/s2 Time (t) = 3 s Required:…
Q: 21. How should the measurement be reported? A. 30.46 ±0.36 °C B. 30.5 +0.4 °C C. 30 ±0.36 °C D. 31…
A: Given data: - The measurement 1 is M1 = 30.1 oC. The measurement 2 is M2 = 30.6 oC. The…
Q: Inside 1. How much taller (in m) does the Eiffel Tower become at the end of a day when the…
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Q: An iron ball heated to 90°C is dropped into a pail of water at 25°C. After 15 minutes, the ball…
A:
Q: 744 g of a metal at 227°C are dropped into 278 g of water (c = 4184 J/kg.°C)at 11°C. The resulting…
A: Given:- The mass of the metal is M =744 g The initial temperature of the metal is Tim=227oC The…
Q: 13. The coyote is driving a car travelling at 12 m/s chasing the road-runner. The coyote breaks the…
A: 15- Initial speed, u=12 m/s Deceleration, a= -0.5 m/s2 Final speed, v=0 We have to determine time to…
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