Physics, 31.08.2019 02:30 AleciaCassidy
Earth's orbit around the sun is not perfectly circular. the nearest point of its orbit is 1.471e8 kilometers. the mass of the sun is 1.989e30 kilograms. the mass of the earth is 5.97e24 kilograms. the universal gravitational constant is 6.6738e-11 n(m/kg)2. (a) what is the force exerted by the sun on the earth they are closest together? (b) what is the corresponding force of the earth on the sun?
Answers: 1
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An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?
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Asled is being held at rest on a slope that makes an angle θ with the horizontal. after the sled is released, it slidesa distance d1 down the slope and then covers the distance d2 alongthe horizontal terrain before stopping. find the coefficient ofkinetic friction μk between the sled and the ground, assumingthat it is constant throughout the trip. find the coefficient of kinetic frictionμk. express your answer in terms of someor all of the variables d1, d2, and θ.
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Aspacecraft that renters the earth’s atmosphere drastically slows down. the amount of kinetic energy the spacecraft has as it reenters the earths atmosphere
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Earth's orbit around the sun is not perfectly circular. the nearest point of its orbit is 1.471e8 ki...
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