An Ideal Spring with a Spring Constant of 15 N/m

Multiple Choice

An ideal spring with a spring constant of 15 N/m is initially compressed by 3.0 cm from its uncompressed position.How much work is required to compress the spring an additional 4.0 cm?

A) 0.0068 J
B) 0.012 J
C) 0.024 J
D) 0.030 J