A tuning fork vibrating at 512 Hz falls from the top of a tall building. What is the speed of the tuning fork when waves of frequency 485 Hz reach the release point

the simple machine has three main features. they are:

fulcrum is the center point or pivot point of the machine. effort is input force/ applied force. load is external force/ output.

the keisha 's machine labels are

x : load

y: fulcrum

z: lever

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.