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light with a frequency of 3.75 x 10^15 Hz strikes a metal surface and ejects electrons that have a maximum kinetic energy of 5.9 eV. What is the work function (in eV) of the metal?
For a damped oscillator with a mass of 240 g, a spring constant 59 N/m and a damping coefficient of 75.00 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 12 cycles.
A group of people with total mass 1500 kg stands in a boat with mass 12,000 kg at rest in frictionless water. If the whole group walks 6.5 m from bow to stern, how much does the boat move in meters
If the electric field strength in air exceeds 3.0 ? 106 N/C, the air becomes a conductor, determine the maximum amount of charge that can be carried by a metal sphere4.9 m in radius
Two lens system: The original object is 20 cm to the left of a lens with a focal length of +10 cm, Find the location and magnification of the final image. Be sure to show or tell me from where you are measuring this final location
A 96 kg person stands on a scale in an elevator. What is the apparent weight when the elevator is accelerating upward with an acceleration of 1.80 m/s^2.
What are angles of refraction
Ina mass spectrometer, ions are directed into a magnetic field, where they curve around in the field and strike a detector. If several singly ionized atoms travel at the equal speed through the magnetic field, would you expect them all to be defle..
A man walks at 3 m/s on a still day along the line between two fire stations. Find the apparent frequency of each whistle
A thin uniform 15 kg post, 1.75 m long is held vertically using a cable and is attached to a 5kg mass and a pivot at its bottom end. Find the angular acceleration of the post about the pivot just after the cable breaks
At this point, he throws a forward pass 45.0 yards straight downfield perpendicular to the line of scrimmage. Illustrate what is the magnitude of the football's resultant displacement?
The electron's brother is the neutrino which has no mass and no charge, Given that the electron's mass in energy units is 0.511 MeV, calculate its classical radius r0.
A certain Carnot engine produces 200 J of work per cycle, what is the change in entropy of the hot reservoir per cycle
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