The body of a 1258 kg car is supported on a frame by four springs. The spring constant of a single spring is 1.31 × 104 N/m. Four peo- ple riding in the car have a combined mass of 230 kg. When driven over a pothole in the road, the frame vibrates and for the first few seconds the vibration approximates sim- ple harmonic motion.
What is the period of vibration of the car? Answer in units of s.
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