A Physics 206 student astutely notices that her friend's car, which has extremely bad shocks, has a frequency of oscillation of 0.5 Hz after hitting a bump. She asks her friend how much the car weighs and converts that to a mass of 1,750 kg. After a few minutes of figuring on the back of an envelope (a habit all physics-types learn to do) she announces the value of the total spring constant of her friend's car. What value did she find