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A ball is swung in a vertical motion. Is the difference between the tensions at top and bottom of swing dependent on speed? If 200cm3 of tea at 95°c? X = -√ 3 is a zero of the polynomial f(x) = -2(x^2 + 3)^3. Is this true or false? My car is 12 model years old and has 64,000 miles on it. When it has 250,000 on it how old will it be? What volume in dm^3 of KCl is obtained in the equation 2KClO3 -> 2KCl + 3O2 Answer: 2 dm^3. Please show method?