#physics --- ##### Combinations of Springs Spring constants for springs in parallel: - $K_p=K_1+K_2$ Spring constants for springs in series: - $K_s=\frac{K_1K_2}{K_1+K_2}$ --- ##### Spring Constant for Enclosed Air $K=\frac{1}{2\pi}\sqrt{\frac{\gamma p_aS}{L}}$ ---