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June 30, 2015

Homework Help: physics

Posted by Jon on Sunday, April 6, 2008 at 5:09pm.

1)A wave created when two different waves meet will have an amplitude greater than the individual waves because of.

A)destructive interference
B)constructive interference
C)antinodes
D)a change in boundary

I got B

2)If a wave has a period of .02 seconds and a speed of 4 m/s, what is its wavelength?

.08 m

3)The Doppler effect is a change in the ______of a sound.

pitch

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