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Physics, 22.06.2019 17:40
Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?
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Physics, 22.06.2019 19:30
The nuclear potential that binds protons and neutrons in the nucleus of an atom is often approximated by a square well. imagine a proton conned in an innite square well of length 105 nm, a typical nuclear diameter. calculate the wavelength and energy associated with the photon that is emitted when the proton undergoes a transition from the rst excited state (n 2) to the ground state (n 1). in what region of the electromagnetic spectrum does this wavelength belong?
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Physics, 22.06.2019 21:00
Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.
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Physics, 22.06.2019 23:40
What is the magnitude of the gravitational force acting on the earth due to the sun?
Answers: 1
How much kinetic energy does a baseball with a mass of 0.143 kg have it it is traveling at a velocit...
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