gwyMyrtinellone gwyMyrtinellone

11-04-2017
Physics

contestada

A photon of wavelength 0.99235 nm strikes a free electron that is initially at rest. the photon is scattered straight backward. what is the speed of the recoil electron after the collision?

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Ckaranja Ckaranja

16-04-2017

F=uR
where U is constant of friction and R=mg
F= mgcos 36
=2.05*10 *.8090
=16.58 N

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