A certain object of mass 0.50 kg moves along the x-axis. Its potential energy is given by U = 3x2 + 8x. Starting at rest, the object is released at the origin. (a) Find the maximum speed attained by the object. (b) Find the position about which it oscillates. (c) Find the frequency of the oscillation.

Answer
a. 4.6 m/s
b. x = −1.3 m
c. 0.551 Hz

1 answer

?
If it starts at rest and has zero PE it simply doesn't move.