Incomplete question.The complete is here
A car with a total mass of 1800 kg (including passengers) is driving down a washboard road with bumps spaced 4.2 m apart. The ride is roughest—that is, the car bounces up and down with the maximum amplitude—when the car is traveling at 8.0 m/s.What is the spring constant of the car's springs?
Answer:
Step-by-step explanation:
The frequency is calculated as:
As we know that