Problem based on magnetic equator
What velocity would a proton need to circle Earth 1000 km above the magnetic equator, where Earth's magnetic field is directed horizontally north and has a magnitude of 4.00 10-8 T?
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How has the popularity of the American Film Musical changed since its golden age in the 1960's? What, if anything, does the current status of Film Musicals reflect about changes in American culture over that same period?
A rocket of total mass 2630 kg is traveling in outer space with a velocity of 167 m/s. To alter its course by 38.0^circ, its rockets can be fired briefly in a direction perpendicular to its original motion.If the rocket gases are expelled at a spe
A 2.52- sample of a compound containing only carbon, hydrogen, nitrogen, oxygen, and sulfur was burned in excess to yield 4.36 of and 0.892. Calculate the empirical formula of the compound.
The specific heat capacity of silver is 0.235 J/g K. Its melting point is 962 C and its enthalpy of fusion is 11.3 kJ/mol. What quantity of heat in joules is required to change 5.00 g of silver from a solid at 25 C to a liquid at 962 C?
The dry solid weighs 0.397 g. Use this mass and dillution volumes to calculate the actual molarity of the sulfuric acid in the initial solution
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What is the mole fraction of MgCl2 in a solution that is 11.04% by mass MgCl2(aq)? The molar mass of MgCl2 is 95.21 g/mol.
A 34 kg child sits in a swing supported by two chains, each 3.1 m long. If the tension in each chain at the lowest point is 283 N, find the child's speed at the lowest point.
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