Arubber band has potential energy of 5 j. if the spring constant of the rubber band is 50 n/m, what is the displacement of the rubber band? 0.2 m 1.2 m 0.4 m 0.8 m

Explanation:

The elastic potential energy stored in a sprig is given by

Where, K is the spring constant and x be the displacement.

Substitute, K = 50 N/m and U = 5 J

By solving, we get

x = 0.44 m = 0.4 m0.4 m