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Question: A marvelous new metal, phonium, is found to have a work function of 1eV.
a. If a photon of 3eV energy strikes phonium and causes the emission of an electron, what is the maximum kinetic energy that electron can have?
b. Light of wavelength 620nm strikes phonium. What is the maximum energy of electrons emitted by the photoelectric effect under these circumstances?
c. What are two features of the photoelectric effect that support the idea that light energy comes as multiples of some smallest, indivisible packet?
d. What is the highest energy photon that can be produced when electrons that have been accelerated through 40kV stop by a sudden collision with a tungsten anode?
I lift a 3 kg rock up and place it on a table 2 meters above the ground. How much gravitational potential energy does the rock have
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After 6 seconds of slowing down it comes to rest. The total time the object is on the incline is 16 seconds. Draw a position versus time graph and a velocity versus time graph.
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A novice skier, starting from rest, slides down a frictionless 35° incline whose vertical height is 118 m. Explain how fast is she going when she reaches the bottom? Illustrate what was the initial speed of the arrow?
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In a mass spectrometer, a singly, negative charged ion having a particular velocity selected by using a magnetic field of .10 T perpendicular to an electric field of 1000 V/m. What is the mass of the ion
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a 6.00 capacitor that is initially uncharged is connected in series with a 4500 resistor and a 506emf source with
A box that is 2.4 m X 4.8 m X 3.3 m is filled with 704 balloons. Each balloon is filled with .00026808257310633 cm3 of helium. What is the mean free path of a balloon
An internal explosion breaks an object, initially at rest,into two pieces, one of which has 1.5 times the mass of the other. how much kinetic energy did each piece acquire
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