A spring balance is found to have a period of oscillation of 3.14 s, when a 12 kg weight is suspended from it. How much does the spring elongate when a 2 kg weight is suspended from it ?

A spring balance is found to have a period of oscillation of 3.14 s, w

1.	A spring balance is found to have a period of oscillation of 3.14 s, when a 12 kg weight is suspended from it. How much does the spring elongate when a 2 kg weight is suspended from it ?
Answer» SOLUTION :`l=T^2g//4pi^2=3.14 ^2xx9.8//4pi^2=2.45m`