Using Hooke's Law (F=kx) determine:

A) A weight of 5 pounds stretches a certain spring from its natural length of 10.2 inches to a length of 10.5 inches. Find K.
B) What weight will stretch the spring in part (A) to a length of 13.2 inches?
Thank you!

1 answer

hmm. 5 = 0.3k
use that k to get
F = 13.2k