What do you think a counterweight does for a mine winding system? Hint imagine winding the winch by hand.​

d. local area network (lan)

explanation:

a local area network (lan) is a collection of computers it connected to one another or to a common connection medium.

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i really dont know but i need bad

explanation:

me im struggling with math

the answer to your question would be something called hertz. the unit of measurement called a hertz, which is one cycle per second, is used to measure clock speed. within one cycle, your computer processes, refreshes, or updates itself to the changes that it is going through. in the case of computer clock speed, one hertz equals one tick per second. the clock speed of computers is usually measured in megahertz (mhz) or gigahertz (ghz)