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A planet orbits a star in an elliptical orbit. At a particular instant the momentum of the planet is
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Ball b is hanging from an inextensible cord. an identical ball a is released from rest when it is just touching the cord and drops through the vertical distance h a 5 8 in. before striking ball b. assuming e 5 0.9 and no friction, determine the resulting maximum vertical displacement h b of the ball b
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Physics, 21.06.2019 16:40
Three point charges, two positive and one negative, each having a magnitude of 20 μc are placed at the vertices of an equilateral triangle (30 cm on a side). what is the magnitude of the electrostatic force on the negative charge
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Physics, 22.06.2019 13:00
The substances that are necessary for producing of certain hormones and that store and transport vitamins
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A planet orbits a star in an elliptical orbit. At a particular instant the momentum of the planet is...
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