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Re:Boat Speedometers
From
: Delphi High School <
pmason@wvec.k12.in.us
>
Date
: Mon, 14 Sep 1998 14:55:21 -0500 (EST)
In a discussion of relative velocity today, a student asked how boat
speedometers work-- like speedboats. I wasn't sure and thought I'd better
ask. Do they measure the speed of the water flowing past a point, or by a
difference in pressure?
Patti Mason
Delphi HIgh School
Delphi, IN
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