Using this model of an electrical power plant, place the steps of electricity generation in the correct order: Boiler Fuel Turbine Steam Electromagnets Alek Generator Direction of water Pipe with water
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A: Solution: Given: t1 = temperature of warm water = 30oC t2 = temperature of cold water = 4.1oC η1 =…
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A: Two particles with charge Q= 2.80 uC as shown in the figure below. A particle with charge…
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A: Draw the schematic diagram of the system.
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A: d=14 cm = 0.14 m mp = 2.8 kg r=d/2= 0.14/2 = 0.07 m TE = 0.55 N-m
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A: See below
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Q: 48 [ Oa. C O b. 4C Oc. C Od. #EC 08 ²16 www 3R с E :SR The circuit in the figure has been on for a…
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Q: on the stress formula, why is delta length used for the area instead of the radius?
A: Solution: Given: m = mass of car = 1800 kg g = gravitational acceleration = 9.81 m/s2 r = radius of…
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A: The oxygen tank in the experiment is equipped with a regulator and a relief valve for the following…
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A: GivenLength of straight filament L=3.90mTotal Positive charge (q) = 2 μC Length of uncharged…
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A: Focal length of concave mirror is f=10 cm Object height is ho=1 cm Object is placed at a distance…
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A: When the pipe is horizontal, the height of the water at both sections will be zero. Write the…
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A: An airplane flies at 300 mph with a direction of 100° relative to the air The plane experiences a…
Q: 3. Find the resultant electric field at point A due to the +22.0 pC, -10.5 pC, and the +16.00-pC…
A: See below
Q: There are four particles at position 1 to 4. The particles have charges q1 = -q3 = 230nC and q2 =…
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A: The initial pressure of the gas, P1=696kPa The initial temperature, T1=269 K The heat energy…
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Q: v (m/s) 4 2 2 3 t(s)
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A: Upward Final velocity v=5.42 m/s Height from the throwing distance h=13.3 m
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Q: There are four particles at position 1 to 4. The particles have charges q1 = -q3= 230nC ar q2 = -q4…
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Q: Does the velocity change across a stator?
A: Yes, the velocity change across a stator.
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A: S= 174 dB The objective is to find the intensity of this ultrasound in W/m2
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Q: The energy of a photon is 52.6 eV. What is the wavelength in of the photon? Assume 3 sig figs. 1nm =…
A: Energy of the photon, E=52.6eV=52.6×1.6×10-19J speed of photon i.e. light is c=3×108m/s plank…
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Q: Calculate the wavelengths of a 1.44-GHz cell phone signal. Express your answer in meters. Normal…
A: To calculate the wavelengths of a 1.44-GHz cell phone signal. Express your answer in meters. Normal…
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Q: 2. Two men pull horizontally on ropes attached to a post. The angle between the ropes is 45°, if man…
A: See below
Q: 1. Suppose a particle is moving at a varying velocity along a straight line and that s = f(t)…
A: f(t)=at+b with a,b>0 then, v(t)=df(t)dt=a Therefore, the average velocity of the particle…
Q: A capacitor has a disk-shaped dielectric of ceramic (εr = 7500) that has a 0.30 cm diameter and…
A: εr = 7500 diameter of the disk, D= 0.30 cm radius, r=0.15 cm d = 0.702 mm = 0.702 x 10-3 m
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Q: What is calorimetry and what is its fundamental principle. Explain into at least 10 sentences.
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- Answer th following question in 5-10 sentences. 1. How does a nuclear power plant work?15.8 The US auto industry produces approximately 6 million vehicles a year, each containing roughly 1.5 metric tons of fabricated metal. Consider a future wind-turbine industry having half of the auto industry ’ s mass throughput of wind-turbine units. Each unit has a specific weight of 75 kg/kW e rated (nacelle components plus tubular tower only). a. At a wind-turbine capacity factor of 0.3, how long would it take to replicate the 2008 US-installed average electric power rating of 1,035 GW e ? b. Discuss the relevant factors that would determine whether a wind-machine industry of this size could be successfully operated sustainably over periods on the order of several centuries.A homeowner is considering these heating systems for heating his house: Electric resistance heating with $0.12/ kWh and 1 kWh = 3600 kJ, gas heating with $1.24/therm and 1 therm = 105,500 kJ, and oil heating with $2.3/gal and 1 gal of oil = 138,500 kJ. Assuming efficiencies of 100 percent for the electric furnace and 87 percent for the gas and oil furnaces, determine the heating system with the lowest energy cost.
- Consider a building whose annual air-conditioning load is estimated to be 40,000 kWh in an area where the unit cost of electricity is $0.10/kWh. Two air conditioners are considered for the building. Air conditioner A has a seasonal average COP of 2.3 and costs $5500 to purchase and install. Air conditioner B has a seasonal average COP of 3.6 and costs $7000 to purchase and install. All else being equal, determine which air conditioner is a better buy.The best solar panels currently available are about 19% efficient in converting sunlight to electricity. A typical home will use about 40. kWh of electricity per day (1 kWh=1 kilowatt hour; 1kW=1000J/s). Assuming 8.1 hours of useful sunlight per day, calculate the minimum solar panel surface area necessary to provide all of a typical home’s electricity. The energy rate supplied by the sun is 1.0kJ/s times meters squared . Area = meters squaredHow is energy transrred an instant cold pack is put on a muscle injury
- a) Californian tomatoes (3) Electricity required to heat greenhouse to grow 1 ton of tomatoes = 16,000 kWh Emission factor for electricity generated using natural gas = 0.15 kgCO2eq / kWh Distance from farm to store and back = 20 miles One diesel truck can carry 1 ton of tomatoes Emission factor of diesel truck = 0.08 kg CO2eq per mile Emissions for 1kg of California tomatoes = __________________________________What is the cost of operating a 84.92-Watt freezer for a month if the cost of electricity is $ 0.03 per kWh? Assume we take a month as 30 days.need solution asap,