An observer sees the flash of a gun three seconds before he hears the sound of the gun firing. Approximately how far is the observer from the gun? (speed of sound = 1100 ft/sec)
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The main supporting members of a wing are
The main supporting members of a wing are
‑15° Centigrade is how many degrees Fahrenheit? °F = (°C x…
‑15° Centigrade is how many degrees Fahrenheit? °F = (°C x 1.8) + 32
When both the volume and the absolute temperature of a gas i…
When both the volume and the absolute temperature of a gas is doubled, the pressure will
The speed of sound
The speed of sound
When a source of sound moves, the frequency ahead of the sou…
When a source of sound moves, the frequency ahead of the source is higher than the frequency behind it. This change in frequency is called
The actual amount of water vapor in a mixture of air and wat…
The actual amount of water vapor in a mixture of air and water is
If a 120 pound force moves a 3,200 pound object twenty feet…
If a 120 pound force moves a 3,200 pound object twenty feet in twenty seconds, how much power was expended? Power = Force x Distance Time
The purpose of aircraft wing dihedral is to
The purpose of aircraft wing dihedral is to
An airplane wing is designed to produce lift resulting from…
An airplane wing is designed to produce lift resulting from relatively