Posted by **Jael** on Tuesday, November 30, 2010 at 2:48pm.

A spring that is 0.7 m in length elongates to 1.06 m when a 20 Newton force is exerted to stretch the spring. By how much more does the spring stretch when an additional 8 Newtons of force is exerted on it?

1.01

0.053

0.072

0.45

0.144

0.561

0.736

1.06

I think there are 3 parts to figuring this out:

#1) 20 N + 8 N + 28N

#2) idk...

#3) idk...

Please help!

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