Spring line up with the ruler marks problem
A spring with 55 hangs vertically next to a ruler. The end of the spring is next to the 20- mark on the ruler.If a 3.0- mass is now attached to the end of the spring, where will the end of the spring line up with the ruler marks?
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A stone with a mass of 0.900kg is attached to one end of a string 0.900 m long. The string will break if its tension exceeds 60.0 N . The stone is whirled in a horizontal circle on a frictionless tabletop; the other end of the string remains fixed
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Kc = 3.59 at 900 °C. For each of the following measured concentrations determine whether the reaction is at equilibrium. If not at equilibrium, in which direction will the reaction proceed to get to equilibrium.
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