if you are asking this question for a boating test... stop asking your waisting your time on something stupid
Gliding
Hezârfen Ahmed Çelebi was a legendary Ottoman of 17th-century Istanbul, purported to have achieved sustained unpowered flight. See attached link.
That is the correct spelling of the past tense verb "coasted" (moved unpowered, glided).
Absolutely, the key is to make sure you are really using an unpowered mixer and that the signal level is correct for the power speakers (usually XLR will do fine).
Unpowered tools you can hold in one hand.
Unpowered tools you can hold in one hand.
Glider
50,671 ft (15,445 m)
Powered recliners cost from $500-1000 and unpowered recliners cost about $100-400. The price difference is a few hundred dollars.
Unpowered subwoofers take power from the receiver itself whereas a powered subwoofer has its own amplifier. This helps takesome strain off the receiver so powered subwoofers are considered a better option.
Auto-gyros. (I edited the Question to as "What are" these.)
An autogiro is an aircraft in which lift is provided by unpowered rotating wings and thrust is provided by a conventional propeller.