1/2 mv^2 kx^2
1.2(0.15)v^2 = 1/2 (3)(0.05)^2
0.075 v^2 = 0.00375
V^2 = 0 00375 / 0.075
V^2 = 0.05
Initial Velocity = 0.7071 m/s
I tried to calculate this one. I think for final velocity I should be using the slope? Any help would be appreciated thank you!