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A photon of wavelength 2.2 nm Compton scatters from an electron at an angle of 90°. What is the modified wavelength?
In ending, this solution gives a series of conclusions and highlights of areas where there are challenges for consideration in the future.
Two protons are aimed directly toward each other by a cyclotron accelerator with speeds of 1500 km/s, measured relative to the earth.
Adjacent spheres are initially 8.0 cm apart. The spheres have masses m_1 = 20.0 g, m_2 = 85.0 g, and m_3 = 20.0 g.
Consider the capacitor formed by a conducting sphere with radius R1 surrounded by a concentric conducting spherical shell with inside radius R2 and outside.
Show, in the limit N goes to infinity, that your results for the polygon become equal to your results for the charged ring.
Two particles, with identical positive charges and a separation of 2.60 x 10^-2 m, are released from rest.
At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 248 N/C.
Explain the Electromagnetic Force on Particles in relation to their x and y axis, related to a time scale - explanation and references.
What is the magnitude of the electric force on one of the masses? What is the magnitude of the electric force between the spheres?
Two hanging balls, each with a mass of 10g, have equal charges. One ball is hung by an insulated thread. Another ball held by an insulated rod.
The nucleus of a (125)^Xe atom (an isotope of the element xenon with mass 125 u) is 6.0 fm in diameter. It has 54 protons and charge q= + 54e.
The Coulomb constant is Ke = 9.0x10^9 Nm^2 C^-2 and that the gravitational constant is G = 6.7x10^-11 N m^2 kg^-2.
When are electrostatic forces attractive? When are they repulsive? How is this different from gravitational force?
Generates a voltage based on another voltage with respect to a specified gain. It has infinite input impedance and zero output impedance.
The voltage across a 2 F capacitor is v(t) = 20*e^(-4t) volts. What is the instantaneous power?
For one of the connections the cutoff frequency wc is given in rad/sec. Calculate wc for other connections; determine the type of each filter.
A +60.0-nC point-charge is at each of the vertices of an equilateral triagle. What is the potential at a point 25.0 cm from each of the charges?
Do this integral and show that Uth =1/2CVo2, which is consistent with energy initially stored in the field according to part (a).
What will be the charge on the 2.61 micro F capacitor and what will be the charge on the 7.79 micro F capacitor?
What is the maximum capacitance that you can form from these? What is the minimum capacitance that you can form from these?
If a third capacitor is connected in parallel with the other two, does the equivalent capacitance increase, decrease, or remain the same? Explain.
Three capacitors of 2.0, 5.0, and 20 microF are joing together in parallel. What is their equaivalent capacitance?
Three capacitors(4.0, 6.0 and 15.0 Micro Farads) are connected in series across a 50 volts battery. Find the voltage across the 4.0 micro Farad capacitor.
When this capacitor (C1) is then connected to a second (uncharged) capacitor, the voltage on C1 drops to 10 volts. What is the value of C2?