f = frequency = number of waves produced by a source per second, in hertz Hz. T = period = time it takes for one complete vibration or oscillation, in seconds s. A boat at sea bobs up and down as ...
A frequency of 440 Hz means that the prongs of the tuning fork vibrate 440 times every second. \(\text{period T =}~\frac{\text{1}}{\text{f}}\) \(\text{period T ...
Båth, M., Res. Inst. Nat. Def. Rep. A 4270–4721, Stockholm, 1962 (and personal communications). Donn, W., and Ewing, M., J. Geophys. Res., 67, 1855 (1962).
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