A 100.0 g mass is hung from a spring. A measurement is taken by using a ruler placed next to the spring to measure the position of the bottom of the mass carrier. This reads 55.0 cm. A additional mass of 57.0 g is added to the spring. The position of the end of the spring is now measured to be 58.2 cm.
a) What is the spring constant for this spring?
b) Another mass of 52.0 g is added to the spring. What is the reading on the ruler now?
b) The hanging mass (with both the additional masses still present) is pulled down a short distance and released. What is the frequency of the oscillations of the hanging masses?