Author Question: A spring with spring constant k = 800 N/m is extended 12 cm from its equilibrium position. A spring ... (Read 301 times)

waynest · **on:** Jul 28, 2018

A spring with spring constant k = 800 N/m is extended 12 cm from its equilibrium position. A spring with 6.0 cm extension from equilibrium will have the same potential energy as the first spring if its spring constant is
a. 200 N/m.
b. 400 N/m.
c. 800 N/m.
d. 1 600 N/m.
e. 3 200 N/m.

Question 2

A spring with spring constant k = 800 N/m is compressed 12 cm from its equilibrium position. A spring with spring constant k = 400 N/m has the same elastic potential energy as the first spring when its extension is
a. 0.060 m.
b. 0.085 m.
c. 0.12 m.
d. 0.17 m.
e. 0.24 m.