A 500-MW(e) coal plant burns 2x10 kg coal in one year when operated at a CF of 0.55. Heat value of the coal is 2500 kcal/kg, and 1 cal = 4.184). (a) pts (b) "1 pts How much electricity does it produce in 6 months with CF=0.55? What is the thermal efficiency (nth) of this plant?
Q: Please help !!!!
A: Given: Area of loop A=21*21 cm2 A=441cm2=0.0441m2 Resistance R=0.14 Ohm Magnetic field is given by, ...
Q: Electrical physics, Please explain the reasoning
A:
Q: Two very long wires carry current as shown. What is the direction of the total magnetic field at poi...
A: Given:Two very long wires carry current as shown. Find the direction of the total magnetic field at ...
Q: 13. A disk, initially rotating at 120 rad/s, is slowed down with a constant angular acceleration of ...
A:
Q: Which of the following statements about the tension in the springs is correct. Explain your answerin...
A: Two springs are fastened end-to-end. Two students, Hannah and Erin, are holding the opposite ends of...
Q: AP PHYSICS C RIGHT HAND FOR MAGNETISM
A:
Q: Current flows along a thin, infinite sheet as shown in the picture. The current per unit length alon...
A: From question, current density (J) is current per unit length along the sheet. That is, J=ix a) Now ...
Q: A platinum indicator electrode dipping into a solution containing Fe3+ and Fe2+ is used with a stand...
A: The potential difference in terms of the ratio of the concentration of ions, ∆ϕ=RTnFlogeFe3+Fe2+=2.3...
Q: 9- part a only please
A: Concept used: Potential is a scalar quantity. Hence, the net potential at a point is algebraic sum o...
Q: radial function of the figure a) r value at which the probability density is maximum. b) Find <...
A: Only radial part is given so answer contains π
Q: The reference frame S' moves relative to S with velocity u along the axis. Let va and va denote the ...
A:
Q: True or False: An example of a step-down transformer would be a household appliance changing the t...
A: We know there are two types of transformers one is step up and other is step down. A step up transfo...
Q: Label the type of telescope shown below.
A: Solution: As per the above-given figure, The type of telescope is Refractor.
Q: How do we get the corresponding resistivity of a linear regression graph with resistance and cross-s...
A: There is a small correction in the question. It should be 'resistivity from' and not 'resistivity of...
Q: In a photoelectric-effect experiment, which of the following will increase the maximum kinetic energ...
A: In a photoelectric-effect experiment, use light of higher frequency increase the maximum kinetic en...
Q: (a) If a spherical raindrop of radius 0.650 mm carries a charge of -3.60 pC uniformly distributed ov...
A: The potential on the surface of a spherical sphere isV=14πε0qr equation 1The total charge of t...
Q: Determine which of the following decays is not allowed and explain why. (a) π+ → μ+ + n (...
A: In order for a certain nuclear decay reaction to be allowed, certain conservation laws need to be fo...
Q: Two vectors are given by, A = i + 23 and B = -22 + 33. (a) Find A x B in unit vector notation. (b) F...
A: Given: A→×B→unit vectori^j^k^120-230=2×0-3×0i^-1×0-(-2)×0j^+1×3-(-2)×2k^=7k^
Q: Can you please answer a,b & c?
A: The magnetic field at some point due to a small element of a current carrying wire can be calculated...
Q: You are asked to design a cylindrical steel rod 50.0 cm long,with a circular cross section, that wil...
A: Given, L=0.5m and H=190J/s To find the diameter first calculate the area of the rod from ...
Q: Q-5: Determine the magnitude of the moment produced by the force of F = 680 N about the hinged axis ...
A: The line of force F passes through the axis of rotation.
Q: 13- 294 V is incorrect, please help. There are no additional parts to this question
A: Given: The resistance is R=3920Ω. The smallest current that can initiate a ventricular fibrillation ...
Q: A rod hangs from two wires as shown. A current / goes down one wire, through the conducting rod into...
A: A charge q moving with velocity v→ in the presence of a magnetic field B→, will experience a force w...
Q: From the figure, please identify which curve represents the overdamped, underdamped, and critically ...
A: Here the equilibrium position is at x1=0; (from the graph) ; on the y-axis. In the x-axis the tim...
Q: Antenna B is 40.0 m to the right of antenna A. The two antennas emit electromagnetic waves that are ...
A: interference means it is the phenomenon in which two or more waves superpose to give to a resultant ...
Q: 15. A helicopter lifts a 72 kg astronaut 15 m vertically from the ocean by means of a cable. The acc...
A: Given: m=72kg a=g10 d=15m
Q: Dsp subject DTFS
A: Solution: From the above figure, By the definition of inverse DTFS: We have, x(n)=∑x[k]ejkr0...
Q: A-Show Exs = = Ae-i(koz+Ø)that is a solution of the vector Helmholtz equation, a2 Exs = k2Exs, for k...
A: Given equation: Exs=Ae-ik∘z+ϕ…1 We need to prove, the given equation is the solution for, ∂2Exs∂z2=k...
Q: An 18 gauge copper wire (the size usually used for lamp cords), with a diameter of 1.02 mm, carries ...
A: Given: i=1.67 A n=8.5×1028 d=1.02×10-3 m
Q: An airplane propeller is rotating at 1900 rpm 1rev/min2. (a)Computethe propeller’s angular velocity ...
A: Given: An airplane propeller is rotating at 1900 rpm.a. As we know,1 rpm means revolution per minute...
Q: Can an ostwald viscometer determine the viscosity of a gas? If not, what are other methods used to d...
A: Concept used: Viscometer is used to determine the viscosity of a fluid.
Q: Please answer this and explain how you found the answer! Indicate the direction of the induced cu...
A: The problem is based on the concept of electromagnetic induction. Given that the loop is rotating so...
Q: A small airplane leaves an airport on an overcast day and is later sighted 215 km away, in a directi...
A: Given that, A small airplane leaves an airport on an overcast day and is later sighted 215 km away, ...
Q: You are given a diffraction grating and you shine laser light with wavelength 645 nm through it and ...
A:
Q: A race car starts from rest and travels east along a straight and level track. For the first 5.0 s o...
A: Given: The eastward component is given as vx(t)=0.860 m/s3t2
Q: A regulation table tennis ball has a mass of 2.7 g and is 40 mm in diameter. What is its rotational...
A: The expression of rotational inertia of the tennis ball is:I=23mr2Given data:d=40 mmr=d2=402=20 mm=0...
Q: 16. In unit-vector notation, what is the net torque about the origin on a flea located at coordinate...
A: Given that,flea located at coordinates, r= 0,-4.0m,5.0mcan be written as, r→=0i^-4.0j+5k^where force...
Q: A 1.50-m-long rope is stretched between two supports with atension that makes the speed of transvers...
A: Given data: The length of the rope is L=1.50 m. The speed of the wave is v=62.0 m/s. The expressio...
Q: question 2a please
A: Given: The orbital period of the sun: P=203782828.3 years Human appeared t = 3×105 years ago We need...
Q: (a) Calculate the mass and linear absorption coefficients of air for Cr Ka radiation.Assume that air...
A:
Q: Suppose D = r2sinq a, + sinqcosf a; C/m². Determine the charge density at the point (1.0m, 45°, 90°)...
A: We have given that- D→=r2sinq a^r+sinqcosf a^fFor finding charge density we know that-ρv=∇→·D→ =1...
Q: You have 1.60 kg of liquid ethanol at 28.0°C that you wishto cool. What mass of ice at initial tempe...
A: Concept As we add the ice to the liquid ethanol, the temperature of the ethanol decreases because it...
Q: The positive muon (u), an unstable particle, lives on average 2.20 x 10-s (measured in its own frame...
A: The average lifetime of this muon in lab frame is the multiplied by a factor of γ.
Q: About how many parts per million (ppm) of carbon dioxide were in the atmosphere in... 1959? Student ...
A: parts per million (ppm) of carbon dioxide were in the atmosphere in... Year Carbon Di Oxide (pp...
Q: A linac has five drift tubes and is driven by a 100 MHz oscillator. If protons are injected in the ...
A: The number of tubes is given as 5. Therefore the number of the gaps between the tubes is 4.
Q: An observer in frame S′ is moving to the right (+x@direction) at speed u = 0.600c away from a statio...
A: Given: An observer in frame S' is moving at a speed is u=0.600c
Q: (a.) A person is placed in a large, hollow, metallic sphere that is insulated from ground. If a larg...
A:
Q: See image
A: As the block slips down the sphere by angle Θ, the change in height is, h=R1-cos(Θ) This is shown be...
Q: Unpolarized light is sent through a system of polarizers. The initial system is made up of two fixed...
A: If an unpolarized light of intensity I0 is incident on an ideal polarizer, the intensity of the tran...
Q: 5. Ône mole of a monoatomic ideal gas, in the initial state T = 273 K,P = 1 atm, is subjected to the...
A: Here q is the heat involved, w is the work done and u is the internal energy
A 500-MW(e) coal plant burns 2x10 kg coal in one year when operated at a CF of 0.55. Heat value of the coal is 2500 kcal/kg, and 1 cal = 4.184). (a) pts (b) "1 pts How much electricity does it produce in 6 months with CF=0.55? What is the thermal efficiency (nth) of this plant?
Step by step
Solved in 2 steps with 1 images