How do the planets earth and mercury compare with respect to atmospheres? a. mercury's atmosphere has more nitrogen than earth's. b. their atmospheres are identical. c. mercury's atmosphere is much thinner and less dense than earth's. d. earth's atmosphere is much thinner and less dense than mercury's. reset submit
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Physics, 22.06.2019 04:30
True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.
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Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.
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Consider a uniformly charged ring in the xy plane, centered at the origin. the ring has radius a and positive charge qdistributed evenly along its circumference. a)what is the direction of the electric field at any point on the z axis? . b)what is the magnitude of the electric field along the positive z axis? use k in your answer, where k=14πϵ0. d)the ball will oscillate along the z axis between z=d and z=−d in simple harmonic motion. what will be the angular frequency ω of these oscillations? use the approximation d≪a to simplify your calculation; that is, assume that d2+a2≈a2. express your answer in terms of given charges, dimensions, and constants
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Physics, 22.06.2019 17:30
Heterogeneous mixture with larger particles that never settle is
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How do the planets earth and mercury compare with respect to atmospheres? a. mercury's atmosphere h...
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