Thanks I figured it was something along those lines but wanted to run it by someone just because it's been so long...every time I do these problems it's like I know how to do it, but the right way is just out of reach.
Homework Statement
A 4 kg block is suspended from a spring with k=500N/m. A .05kg bullet is fired from below into with a speed of 150m/s and comes to rest in the block.
a.)Find the Amplitude of the resulting simple harmonic motion.
b.)What fraction of the original KE of the bullet appears as...