A 0.60 kg mass vibrates according to the equation where x, Ask an Expert

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Q1. If a curve with a radius of 83m is perfectly banked for a car travelling 65 km/h, what must be the coefficient of static friction for a car not to skid when travelling at 90 km/h?

Q2. A 0.60 kg mass vibrates according to the equation where x is in meters and t is in seconds. find out (a) amplitude, (b) frequency, (c) total energy, and (d) kinetic energy and potential energies when x = 0.30 m.

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