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Problem: In a volcanic eruption, 2 km3 of mountain with a density of 1600 kg/m3 was lifted an average height of 513 m.
Part A: How much energy in joules was released in this eruption?
I need help to find how much energy in joules was released in this eruption.
A school yard teeter-totter with a total length of 5.2m and a mass of 36kg is pivoted at its center. A 19 kg child sits on one end of the teeter-totter.
Photons of wavelength 430 nm are incident on a metal. What is the work function of the metal
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What must be the distance in meters between point charge q1 = 19.7 µC and point charge q2 = -36.7 µC for the electrostatic force between them to have a magnitude of 4.37 N
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Consider a double-slit experiment with narrow slits, you use a screen placed far from the slits to detect the interference pattern. We now add a material in front of just one of the slits so that the light ray is shifted 180° out of phase just bef..
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