Homework Help: Physics

Posted by Bob on Tuesday, February 24, 2009 at 9:50pm.

You dip your finger into a pan of water twice each second, producing waves with crests that are separated by 0.15 m.
a) determine frequency of these water waves in units of Hz??
b) determine the period of these water waves in units of s. ??
c) determine the speed of these water waves in units of m/s??????

Physics - bobpursley, Tuesday, February 24, 2009 at 10:12pm
Frequency is 2hz
wavelentth is .15m
speed=freq*wavelength
Physics - drwls, Tuesday, February 24, 2009 at 10:13pm
a) Twice per second is 2 Hz. Literally. "Hz" means "per second".
b) The period (in seconds) is one divided by the frequency (in Hz).
c) Wave speed is wavelength (0.15 m in this case) multipied by the frequency.

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