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A radio tuning circuit contains an RLC circuit with R=5.0 ohms and L=2.8 micro-H.
What is the electric force (including sign) on the proton if the proton moves just to the left of x = 3.0 cm?
A certain radio receiver must have 2 microwatts of radiation power incident on its antenna in order to provide intelligible reception.
Imagine that you want to create an activity for a group of children to simulate the periodic table.
Give a typical sketch of the 100 kV x-ray spectrum. Identify the bremsstrahlung portion and the characteristic peaks.
How can Lissajous patterns be used in checking out specific frequencies (such as in tuning a piano)?
Two coherent sources of sound, A and B, emit continuous harmonic sound waves of the same frequency f and wavelength lambda.
This corresponds to assuming that the proton mass is effectively in?nite. More correctly. we should picture the proton and electron.
Picture a long row of standing dominos, one a little behind the other so that knocking over the first will knock over the second and so on.
Consider a deformed prolate nuclear core consisting of an even number of neutrons and one even number of protons outside of this core.
Three solid spheres of lead, each of mass 9.8 kg, are located at three corners of a square with side lengths of 50 cm.
A crate of fruit with a mass of 35.0 kg and a specific heat capacity of 3800 J/kg.K slides 8.30m down a ramp inclined at an angle of 40.0 degrees.
Compute the allowed wave function for stationary states of this system with those for a normal harmonic oscillator having the same values of m and C.
Draw the free body diagram of the lower block "as seen" from the frame of reference of the table (or ground).
Write down an expression representing the total mechanical energy of the system at the same instant.
If the mass is displaced by 10 mm from its equilibrium position and released, for the resulting vibration, calculate:
Show that the pressure exerted by a Fermi gas at absolute zero is
The heating and airflow ducts to and from the room are circular 0.30m in diameter, the room is 3mx4.5x6m and the air flow needs to be changed every 12 minutes
The speed of sound in ether (25 deg C, 1 atm) is 976 m/s. What is the wavelength in ether produced by a tuning fork oscillating at 1000 Hz?
A coil of 100 turns is penetrated by a flux of 0.050 Wb in 0.021 s. Determine the numerical value of the average induced emf.
A copper piece of mass 10g is suspended by a vertical spring. The spring elongates 1cm over its natural length to keep the piece in equilibrium.
How much work would be required to move a +50e-6 test charge from a point midway between them to a point closer to either of the charges?
On planet Tehar, the free fall acceleration is the same as that on Earth but there is also strong downward electric field with the field being uniform
A hot body cools from 90 degree celcius to 80 degree celcius in 5 minutes when placed in a room of temperature 30 deg C
Show that the decrease of amplitude is the same for each cycle of oscillation.