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Just exactly how does general relativity work? If both plates are smooth what is the minimum value for theta?as this is a mcq all the answers are in tan^-1.? How many grams of O2(g) are needed to completely burn 39.8 g of C3H8(g)? How do you put x=y^2+4 into vertex form? Does e to the negative infinity power diverge or converge?