A 0.36-kg cart and a 0.12-kg cart are held 0.10 m apart with a compressed spring between them. When they are released, the 0.36-kg cart moves at 1.1 m/s to the right. What is the relaxed length of the spring if it has a spring constant of 200 N/m?
A 0.36-kg cart and a 0.12-kg cart are held 0.10 m apart with a compressed spring...