N string 2 string S
Q: How long can a 1500 W heater be on before using more than 12 kWh of energy?
A: Given that:Powwr, P=1500 WEnergy, E=12 kWh
Q: 2) A block attached to a horizontal spring with a spring constant k 200 N/m is displaced tox = +6 cm...
A: Solution:-Given thatSpring constant (k)=200 N/mMaximum displacement (∆x)=+6 cm=0.06 mTime period (T)...
Q: The electrons within the TT-system of conjugated hydrocarbons may be treated as particles confined w...
A: Given that the wavelength corresponding to the lowest energy transition in the spectrum is 278 nm. A...
Q: 47. Table Saw The blade on a table saw rotates at 3450 revolutions per minute. How much faster (in f...
A: A table saw blade has a constant angular velocity of 3450 revolutions per minute Let ω=3450 rev/minω...
Q: 1. A closed system containing a gas expands slowly in a piston/cylinder from 600kPa and 0.1 mở to a ...
A: This problem is from thermodynamics. Let's solve this problem by using second law of thermodynamics....
Q: Why is there a forbidden band in the energy band of a periodic crystal?
A: Let us consider two masses m1 and m2 ;mass of each atom in a diatomic lattice. The distance between ...
Q: Find the circulation of the following velocity field along the following path: V = (x-y)i + xy'j alo...
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Q: A radioactive element X has a half-life of 30 hours. It decays via alpha, beta and gamma emissions w...
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Q: A conducting loop of arca A = Im? and N = 200 turns whose resistance is R = 1.2 N is situated in a r...
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Q: An alkali atom in its ground state passes through a Stern--Gerlach ap- paratus adjusted so as to tra...
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Q: Time-Energy Uncertainty Principle: An excited state in an atom has a linewidth of of = 4.0e + 8Hz. W...
A: Given that the excited state in the atom has a line width of 4.0×108 Hz.
Q: Use your own words to define the Fermi function.
A: Fermi function is also known as the probability distribution function. The Fermi function, f(E) tell...
Q: Find the surface area of revolution about the y-axls of y = 2x + 3 over the Interval I SIS4
A: Given, y=2x+3 1⩽x⩽4 Surface area about the y-axis, S=∫ab2πxdsds=1+dydx2dxdydx=ddx2x+3dydx=2ds=1+22dx...
Q: )A group of Vestas V-100-1.8 wind turbines can be seen on the drive between Pullman and Spokane (nea...
A: Given data l=50 mV=9.84 m/sρ=1.2 kg/m3 Here, L is the length of the blade. While V represents the ve...
Q: In Young's experiment the ratio of intensity at the maxima and minima in the interference pattern is...
A: To find-W1W2=?Given-ImaxImin=3616
Q: A solenoid is designed to produce a magnetic field of 3.10x10-2 T at its center. It has a radius of ...
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Q: A car wheel 30 cm in radius is turning at a rate of 8.0 rev/s when the car begins to slow uniformly ...
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Q: 1. A man walks at a speed of 6 km/hr for 1 km and 8 km/hr for the next 1 km. What is his average spe...
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Q: The kinetic energy of 3.2 kg object moving in one dimension is given by the following equation: K(2)...
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Q: 70 kg. He is space walking n the shuttle at 0.90 m/s. W
A: Given as, Mass of the astronaut, ma=70kg, Mass of the satellite, ms=350kg, Velocity of the satellite...
Q: A sharp shooter at a Wild West show impresses the crowd with her marksmanship. For her first trick, ...
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Q: A wheel of mass mg = 5 kg, outer radius r, = 0.6m, r; = 0.3m, and mass moment of inertia ls = (mg*r....
A: Conservation of energy states that energy can neither be created nor be destroyed. It can only be tr...
Q: Consider a coil of wire wrapped around an iron core. If the flux in the core is given by the equatio...
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Q: In Youngis experiment the slit iş illuminated by a light of wavelengih 5900. A.U. if the sources are...
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Q: Consider a spherical blackbody of constant temperature and mass M whose surface lies at radial coord...
A: As per General relativity gravity is capeable causing time dilation. Closer the clock is to the sour...
Q: Vx (V) Lx (cm) 0.4 10 1 30 1.5 50 1.8 60 2.1 70 2.7 90 2. Using Table 6.1 plot a graph between value...
A: 2) Given, From table 6.1 Vx Lx 0.4 10 1 30 1.5 50 1.8 60 2.1 70 2.7 90 And graph...
Q: Light reflected from the front surface of a densest flint windowpane (n = 1890) has an intensity I1....
A: Given The refractive index of the window pane n=1890. The intensity is I1. After the light is reflec...
Q: A 536 kg car traveling at 31.6 m/s is going around a curve having a radius of 119.1 m that is banked...
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Q: One end of a wire 2 m long and 02 cm in cross-section is fixed in a ceiling and a load of 4:8 kg is ...
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Q: An engine pulls a car of mass 1000 kg on a level road at a constant velocity of 5 ms. If the frictio...
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Q: The decibel is defined as ten times the logarithm of power gain, expressed as power out over power i...
A: Solution:-Given thatdB=10 logPoutPinwhere dB=dBSIL; when Pin=10-12 W/m2dBSIL=1131 W=1000 mW
Q: Find: 1.1 Tension (N) in the cord supporting block B. 1.2 Acceleration at Block A (m/s^2) 1.3 Accele...
A: In the three pulley system, we take the three loads, mA=250 KgmB=450 Kgmc=300 Kg
Q: A circular coil has moment ofinertia 0.8 kg m² around any diameter and is carrying current to produc...
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Q: 1. a) What are the energy and momentum of a photon of red light of wavelength 650 nm? (b) What is th...
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Q: A boat sails from the pier at Fisherman's Wharf in San Francisco at 3.40 m/s, directly toward Alcatr...
A: Given: vb=3.4m/s, vkb=-6.4m/s Using the concept of relative velocity, the velocity of the kite rider...
Q: A windmill captures 300W of wind power for 9h. The kinetic energy is converted to electric energy an...
A: Given a windmill captures 300W of wind power for 9h. The kinetic energy is converted into electrical...
Q: A car's bumper is designed to withstand a 7.20 km/h (2.0 m/s) collision with an immovable object wit...
A: Given: Mass,m=880kgDistance,s=0.240mInitial Velocity,u=2m/sFinal Velocity,v=0m/s The average force i...
Q: In an interference pattern formed bv two coherent sources, the maximum and minimum intensities are 9...
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Q: 1. Compute the final velocity of a rolling sphere and a rolling hoop (both of mass M, radius R) if t...
A: Hey dear we can solve this using conservation of energy
Q: A 250 kg 300 kg C 450 kg
A: mass of Block A=250 kg mass of Block B=450 Kg mass of Block C=300 Kg The FBD of the system is drawn ...
Q: Estimate the magnetic susceptibility of a He atom in its ground state. Is it paramagnetic diamagueti...
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Q: Use t = to compute the life expectancy of a 0.9-solar-mass star. (A solar lifetime is approximately ...
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Q: a) Consider an astronaut with a mass of 78 kg floating some distance directly between two planets, o...
A: Gravity is one of the fundamental forces in nature. It is the weakest of all the other forces. Any o...
Q: Consider a hexagonal lattice with basis vectors as shown in the figure below. If the lattice spacing...
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Q: Determine what is asked. Write your solution(s). 1. Calculate and determine the forces (repel/attrac...
A: NB: Since more than one unrelated question is asked only the 1st one will be answered.(with three su...
Q: 3. You have a can of milk that you want to open. Explain why it is necessary to puncture two holes o...
A: Here, it is asked why two holes should be punctured on opposite sides of can instead of one.
Q: White light containing wavelengths from 410 nm to 750 nm falls on a grating with 7200 slits/cm/cm. H...
A: There are 7500 slits in 1 cm. Therefore the 1 slit width is d=1 cm1 m100 cm7500d=1.33×10-6 m The c...
Q: A 78.11 gram copper metal is heated to 128°C and dropped into 127.12 gram of water at an initial tem...
A: Given that:-Mass of copper metal, mcu=78.11 gmInitial temperature of copper, Tcu, i=128°CMass of wat...
Q: When a ray of light is refracted as it passes from air to glass, which of the following statement is...
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Q: dB = 10 log Pout Pin Sound power level (dBaw) is defined by fixing the reference point (P) as 10 -12...
A: Given P=1.4W Pin or P0=10-12W We need to convert it into dB
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