Problem 3 (20 points)

A spring scale balance can read mass from 0 to 15.0 kilograms. With a 15.0 kilogram mass, the spring is stretched by 12.0 cm.

A package is suspended from the balance and is found to oscillate vertically with a frequency of 2.00 Hertz.

(4 points) Make a sketch for the problem and include a free body diagram for the package

3a) (8 points) What is the spring constant k for the spring?

3b) (8 points) How much does the package weigh?

(4 points) without all the units