A 1232 kg car moving at 30 m/s hits an uncompressed horizontal spring with k=2.4x106 N/m. What is the maximum compression of the (massless) spring?

1 answer

the K.E. of the car becomes P.E. of the spring

1/2 m v^2 = 1/2 k x^2 ... 1232 kg * (30 m/s)^2 = 2.4E6 N/m * x^2

x is in m