Physics, 14.09.2019 03:30 amedaldafari
If a monochromatic light beam with quantum energy value of 2.9 ev incident upon a photocell where the work function of the target metal is 1.8 ev, what is the maximum kinetic energy of ejected electrons?
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A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s
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Which of the following describes how a microwave heats food
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If a monochromatic light beam with quantum energy value of 2.9 ev incident upon a photocell where th...
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