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A spring is hung from the ceiling. When a coffee mug isattached to its end, it stretches 2.0 cm before reaching itsnew equilibrium length. The block is then pulled down slightly and released.
What is the frequency of oscillation?
When violet light of wavelength 415 nm falls on a single slit, it creates a central diffraction peak that is 8.80 cm wide on a screen that is 2.50m away
In a dentist's office an X-ray of a tooth is taken using X-rays that have a frequency of 6.08 × 1018 Hz. What is the wavelength in vacuum of these X-rays
A loudspeaker of mass 15.0 is suspended a distance of h = 2.30 below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.30. What is tension in each cable.
Coherent light with wavelength 599nm passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00m from the slits. The first-order bright fringe is a distance of 4.84mm from the center of central brigh..
We can model the eye as a sphere 2.50 in diameter with a thin lens in the front and the retina along the back surface. What is the range of the effective focal length of the lens of the eye for this person? fmin and fmax
A mass of 0.25 kg is attached to a horizontal spring with a spring constant of 4.0 N/m. Write an expression for the position of the mass as a function of time
the froghopper philaenus spumarius holds the world record for insect jumps. when leaping at an angle of 58.0degree
A narrow beam of 400-keV photons is incident normally on a 2 mm iron liner. What fraction of the photons has an interaction in the liner? What thickness of Fe is needed to reduce the fraction of photons that are transmitted without interaction to 10%..
The loaded cab of an elevator has a mass of 3.7 x 10^3 kg and moves 228 m up the shaft in 21 s at constant speed. At what average rate does the force from the cable do work on the cab.
an alpha particle has a charge of 2.00e. how much work is required to move this particle across a potential difference of 2270 volts?
Suppose that the object rolls withoutslipping. If the size of the object is negligible and the radius ofthe loop is R, find the minimum height from which the objectmust be released, so that it does not loose contact, if itis
a cosmic ray particle travels directly over a soccer field from one goal line to the other at a speed of 0.522c. if the
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