A mass m attached to a spring oscillates with a period of 3 second. If the mass is increased by 2 kg, the period increases by one second. Calculate the initial mass m. (Assume that elastic limit is not crossed)

A mass m attached to a spring oscillates with a period of 3 second. If

1.	A mass m attached to a spring oscillates with a period of 3 second. If the mass is increased by 2 kg, the period increases by one second. Calculate the initial mass m. (Assume that elastic limit is not crossed)
Answer» SOLUTION :`3=2pisqrt(m//k) , 4 = 2pisqrt(m+2k),16//9=m+2//m ,=m = 18//7` KG