The answer is D, the amount of energy stays the same.
Answer:
a 200 feet, and trains go a whole mile even after hitting the brakes
Explanation:
5.4 x 1014Hz
wavelength x frequency = the speed of light
(A)energy lost in the lever due to friction
(C)
visual estimation of height of the beanbag
(E)position of the fulcrum for the lever affecting transfer of energy
