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What is the minimum frequency of light needed to free an electron from a neon nucleus when the electron is in its lowest energy level n=1?
What frequency is emitted by an electron that falls from the n=7 to the n=2 energy level of a neon nucleus?
Answers: 3.28×1017 Hz and 7.55×1016 Hz
A boat has a mass of 6800 kg. Its engines generate a drive force of 4000 N, find the magnitude and direction of the boat's acceleration
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If you weigh 690 N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 25.0 km.
Suppose 199 W of heat flows by conduction from the blood capillaries beneath the skin to the body's surface area of 1.37 m2. estimate the average distance of capillaries below the skin surface
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We have a small Estes rocket at home that we have taken to a field to launch vertically upward. What is the maximum height of the rocket
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