A mass m is suspended by a light spring of spring constant k and of natural length l. The spring extends by an amount e. The mass is then given a displacement downwards and released so that it oscillates with small vertical oscillations.
A. calculate the extension in terms of e when there are two identical springs attached to each other in series to make a composite spring twice as long.
B. calcuelated in terms of e the the extension when the two same springs are put in parralell./