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Finding the Spring Constant

A 10-cm-long spring is attached to the ceiling. When a 2.0 kg mass is hung from it, the spring stretches to a length of 15 cm.

(a) What is the spring constant k?
(b) How long is the spring when a 3.0 kg mass is suspended from it?

Solution Summary

The solution shows the calculations necessary to find the spring constant and length of extension of a 10cm spring with a 2kg mass hung from it.