Contrast Jupiter's magnetosphere with that of Earth and of the other jovian planets
What will be an ideal response?
Jupiter has the strongest magnetic field by far among the planets. It is 20,000 times stronger than Earth's. Its strong field is able to deflect the solar wind about 40 Jupiter radii in front of Jupiter. The magnetosphere around Saturn is smaller because it has a much thinner layer of metallic hydrogen. Uranus and Neptune have no metallic hydrogen, and therefore much weaker magnetic fields generated in their cores.
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A sealed container holds 0.020 moles of nitrogen (N2 ) gas, at a pressure of 1.5 atmospheres and a temperature of 290 K. The atomic mass of nitrogen is 14.0 g/mol
The Boltzmann constant is 1.38 × 10-23 J/K and the ideal gas constant is R = 8.314 J/mol • K = 0.0821 L • atm/mol • K. The mass density of the gas is closest to A) 0.90 kg/m3. B) 1.3 kg/m3. C) 1.8 kg/m3. D) 2.2 kg/m3. E) 2.6 kg/m3.
The work done in pushing a TV set a distance of 2 m with an average force of 20 N is
A) 2 J. B) 10 J. C) 20 J. D) 40 J. E) 800 J.
What is olivine?
A. silicate rock found mostly on the surface of Earth B. silicate rock that makes up much of the mantle C. iron-based non-silicate rock that is green in color D. lithium dioxide E. None of these choices are correct.
The frequency of a wave is
A) measured in hertz (Hz). B) measured in cycles per second. C) equal to the speed of the wave divided by the wavelength of the wave. D) the number of peaks passing by any point each second. E) all of the above