Question

A ball-cup attached to a spring is compressed by x centimeters. A ball is loaded into the friction-less chamber and the spring is then released. Assuming the contraption is horizontal, which equation yields the velocity of the ball, v, when the spring reaches equilibrium?

  

A) $LaTeX: v\:=\sqrt{2g\Delta h}$

  

B) $LaTeX: v^2\:=v_0^2\:+\:2a\Delta h$

  

C)

  

D) $LaTeX: v\:=\:\sqrt{\frac{k}{m}}\:\cdot\:x$

Answer 1

ener In spn nh thdhc enc 2- 20 Ir)