A ball has an excess of 5.40 x 1012 electrons. The charge on the ball is -a. bc x 10-7 C. Record abc

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

resonant frequency

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this

just took the test its not "d"