Aball of mass m and another ball of mass 3m are placed inside a smooth metal tube with a massless spring compressed between them. when the spring is released, the heavier ball flies out of one end of the tube with speed v0.with what speed does the lighter ball emerge from the other end? express your answer in terms of v0just vov=
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In a system, when potential energy decreases, then entropy also decreases. true false
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Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?
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Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=
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Aball of mass m and another ball of mass 3m are placed inside a smooth metal tube with a massless sp...
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