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Physics, 02.12.2019 23:00 jjjjjjjbvhnchjkj

Record your prediction (hypothesis) as an "if then" statement. (for example: if you select the go button, then the train will move)
if  the sound source is moving  then the pitch of the sound will to the observer.

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Record your prediction (hypothesis) as an "if then" statement. (for example: if you select the go b...
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