Compute the spring’s natural frequency from the spring constant and oscillator mass ( ), compare it with the resonant driving frequency , and discuss how your results have confirmed or contradicted Eq. (6) in Manual.

The gun from the crime scene shows tool marks where the serial numbers are ground off. there are also tool marks on the bullets left behind. what information can the tool marks on the bullets and gun provide about the crime? what type of evidence does this information provide, individual or class?