When four people with a combined mass of 295 kg sit down in a car, they find that the car drops 0.650 cm lower on its springs. They get out of the car and bounce it up and down. What is the frequency of the car’s vibration if its mass (when empty) is 3070 kg?A mass on a spring is set in motion. The position of the motion can be described by:x = .28sin(3.2t)what will be the speed of the mass at time 9.1s A pair of speakers, separated by 4.00 m, are in phase with a frequency of 115 Hz. An observer walks away from one of the speakers along a line perpendicular to the line joining the two speakers. How far must the observer walk before reaching a relative minimum in intensity if the speed of sound is 340 m/s?
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