mariap3504
04.12.2021 •
Physics
g If a photon with an energy of 7.22 x 10-19 J hits the surface of a metal with a binding energy of 5.40 x 10-19 J, what is the velocity of the electron that is ejected
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Ответ:
The simple machines and there examples are as follows:
The lever: Examples are crow bar, claw hammer, a pair of pilers etc.
The inclined plane: Examples are ramp, staircase, hilly roads etc.
The wedge: Examples are knife, axe, plough, nall etc.
Screw: Examples are A screw.
Explanation: