When an object falls, it trades gravitational potential energy for kinetic energy, accelerating toward the ground. calculate the potential energy change an object of mass m would experience falling from a height h. if there were no air friction, so that all of the energy was converted to kinetic energy, what would its final velocity be in terms of g and h?
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Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?
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