It took Diane Nyad 27 hours to complete a 110 mile swim from Cuba to Florida. What was her speed, in miles per hour?

Newton's law of universal gravitation states that the force f between two masses, m1 and m2, is given below, where g is a constant and d is the distance between the masses. find an equation that gives an instantaneous rate of change of f with respect to d. (assume m1 and m2 represent moving points.)

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Identify the type of synthetic material used in each object