Because the mass is how much of something is in an object, gold and silver can have the same mass but have very different weights.
Hope I helped!
Holy I'm not that smart lol but I'll get back to you
The amplitude of a wave is the distance between a point on one wave and the identical point on the next wave. The period and wavelength of a wave are inversely proportional.
The masses of the objects and the distance between them
-hope it helps