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Old 31-July-2007, 11:28 AM
jedaisoul jedaisoul is offline
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Join Date: Jul 2007
Location: Chippenham, Wiltshire, UK
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Quote:
Originally Posted by Jeff Root View Post
jedaisoul,

Visualize the time signals from the transmitter as water waves:
One wave each second, moving to the right. Alice is hit by one wave each second. Betty is moving toward the transmitter as the waves move toward her, so she is hit by six waves every five seconds, or 1.2 waves each second.

That's Doppler!
Hi Jeff. I agree, up to a point. This is Dopper. However, please see my reply to Ken G re the difference between light and sound (or in this case water waves), and my reply to Doug/sweetser re Doppler. This reply covers posts #21 and #22.