Physics, 13.07.2019 04:10 marlandwilliams10
Ametal surface is illuminated by light with a wavelength of 450 nm . the maximum kinetic energy of the emitted electrons is found to be 1.20 ev .what is the maximum electron kinetic energy if the same metal is illuminated by light with a wavelength of 350 nm ?
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Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.
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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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