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August 20, 2014

Homework Help: physics

Posted by phys101! on Wednesday, October 12, 2011 at 4:44am.

The force required to stretch a Hooke’s-law
spring varies from 0 N to 62.4 N as we stretch
the spring by moving one end 17.2 cm from
its unstressed position.
a) Find the force constant of the spring.
Answer in units of N/m

b) Find the work done in stretching the spring.
Answer in units of J

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