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Q. A car traveling at a constant speed of 18.5 m/s passes a trooper hidden behind a billboard. One second after the speeding car passes the billboard, the trooper sets off in chase with a constant acceleration of 2.60 m/s2. How long does it take the trooper to overtake the speeding car?

Q. A mass m = 5.0 kg is attached to the lower end of a massless string of length L = 72.0 cm. The upper end of the string is held fixed. Suppose that the mass moves in a circle at constant speed, and that the string makes an angle theta = 29° with the vertical. How long does it take the mass to make one complete revolution?

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