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oblinger oblinger
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11 years ago
Light of wavelength 1.5 x 10^-9 m strikes a metal whose work function is 9.939 x 10^-17 J.

A) What is the kinetic energy of the ejected electrons?
B) What is the velocity of the ejected electrons?

Can you show the steps you take to find your answer also!
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11 years ago
While religion prescribes brotherly love in the relations among the individuals and groups, the actual spectacle more resembles a battlefield than an orchestra. Everywhere, in economic as well as in political life, the guiding principle is one of ruthless striving for success at the expense of one's fellow men.

Albert Einstein
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