A marble is attached to a compressed horizontal spring and is then released. Which equation correctly shows the conservation of mechanical energy for this system? (1 point)
Responses
a mg h is equal to 1 half k x squared
b 1 half m v squared is equal to k x squared
c mg h is equal to k x squared
d 1/2mv^2=1/2kx^2
The correct equation that shows the conservation of mechanical energy for this system is:
d) 1/2mv^2 = 1/2kx^2