In the accompanying figure, a 5.0 N ball is fastened to two identical springs th

Question

In the accompanying figure, a 5.0 N ball is fastened to two identical springs that pull in opposite directions and that can slide on a frictionless horizontal surface. The ball is initally stationary and is then moved 3.0 cm to the right and released from rest.

Here is my typed depiction of the picture:

k = 12 N/c k = 12 N/c
-----------------------------Ball---------------------------------------------
Frictionless surface

What is the potential energy of the system after the ball is released and what is the maximum speed of the ball?

Explanation / Answer

max potential energy = k * x^2 = 12 * .03 *.03 = 0.0108 mazimum speed .5 * 5/g * v^2 = 0.0108 v = 0.205 m/s

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