What is the maximum kinetic energy of the electrons
In a photoelectric effect experiment, 325 nm photons strike a cathode that has a work function equal to 1.25 eV. What is the maximum kinetic energy of the electrons removed from the cathode by this light?
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A projectile is fired at an upward angle of 45 from the top of a 227 m cliff with a speed of 160 m/s. What will be its speed when it strikes the ground below? (Use conservation of energy.)
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