Physics, 12.03.2020 23:45 aylinkayla
In addition to absorption of a photon, energy can be transferred to an atom by collision. Consider a hydrogen atom in its ground state. Incident on the atom are electrons having a kinetic energies of 10.5 eV. What is a possible result
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When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.
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Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?
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Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?
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Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f
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