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A rock brought back from the moon weighs 2 kg and has a volume of 2*10-43 m. What is the rock's density?
An ac voltage source is connected in series with a1.4-?F capacitor and a 690-? resistor. Using a digital ac voltmeter, the amplitude of the voltage source is measured to be 4.0?V rms, Determine the frequency of the ac voltage source
Consider a simple spherical wave, with omega/k=c
A bullet of mass 5.0 g strikes a ballistic pendulum of mass 2.0 kg. The center of mass of the pendulum rises a vertical distance of 15 cm. calculate the bullet's initial speed
a lens for a 35- camera has a focal length given by 46 .how close to the film should the lens be placed to form a
Compute the maximum increase in photon wavelength that can occur through Compton scattering. What is the energy (in electron volts) of the smallest-energy x-ray photon for which Compton scattering could result in doubling the original wavelength?
A swimmer runs horizontally off a diving board with a speed of 3.58 m/s and hits the water a horizontal distance of 1.79 m from the end of the board. How high above the water was diving board.
Write two or three sentences describing the mass number charge and penetrating ability of alpha particles.
Both trains are blowing their whistles (which have the same frequency), and one train is some distance behind the other. After the first train passes Jane but before the second train passes her, she hears beats of frequency 6.50 Hz. What is the fr..
Prob. 18.15. A rod of uniform cross section is used to form the shaft shown.
Plane waves are incident on a slit whose width is adjustable. The slit starts out on wavelength wide and increases to a width of 1000 wavelengths. Explain qualitatively the change in the diffraction pattern.
Discuss giving examples and relevant calculations with equations, how kinetic energy is transferred to potential energy or vice versa.
Determine the focal length of the mirror
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