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Make graph to show magnitude of earthquakes between alaska and California? A 5kg mass is on the table in the front of the room what is the net force on the mass? Find the ratio of speeds for the two isotopes of chlorine, 35Cl and 37Cl, as they pass through the air. vrms(Cl 35)/ vrms( Cl 37) ? I need help with this Calculus problem involving approximations for sine and cosine. Please show work! Thanks!? Explain the much higher mobility of nitrate ( NO3-) than calcium (Ca2+) in soils.?