Results for: Subsonic-flow

In Science

Why doesn't a subsonic aircraft produce a sonic boom?

A subsonic aircraft doesn't produce a sonic boom because it is subsonic, and cannot produce enough speed to do so. A sonic boom is created when an aircraft becomes supersoni (MORE)

Has anyone encountered feeding problems with the model 60 when using subsonic ammo?

Answer   Not much info in the question, but try this. IF the Model 60 is a .22 long rifle, and a semi-auto, you very well might run into failures to feed or eject of you (MORE)
In Science

What frequency is consider subsonic?

Vibrations below 20 cycles per second (less than 20 Hz) we cannot hear, but we can feel them.
Thanks for the feedback!

What does subsonic mean?

Another term for this is infrasonic, and it means pertaining to below hearing. There natural frequencies that humans can hear which are high: 20,000 Hz and low: 20 Hz. An aver (MORE)

What is subsonic sound?

Subsonic sound is sound at a frequency (pitch) below the range of human hearing, typically below 20 Hz. It may be felt as a rumble but not heard as a distinct sound. Ultrason (MORE)
In Science

What are subsonic signals?

Subsonic signals are sounds or vibrations that have a frequency lower than that which may be heard by the human ear as a discernable tone. Vibrations lower than 30 Hz (30 cycl (MORE)

What is the twist rate for a Remington 513T--thinking of using 60gr subsonic 22LR?

  Both the Remington 513T (Target) and the 513S (Sporter) used a 1:16 twist rate. Reason being, the 40 grain .22 LR lead bullet was most common when these first came out. (MORE)

What is the answer to 20c plus 5 equals 5c plus 65?

20c + 5 = 5c + 65 Divide through by 5: 4c + 1 = c + 13 Subtract c from both sides: 3c + 1 = 13 Subtract 1 from both sides: 3c = 12 Divide both sides by 3: c = 4
Thanks for the feedback!