Do Now Heading: The Speed of Sound and The Speed of Light

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Do Now Heading: The Speed of Sound and The Speed of Light Textbook Return Dates Thursday ( Period 1 and 2) Friday ( Period 3) Final Quiz This Wednesday

Answer the following Andrew is waiting at a crosswalk. Andrew is blind so he listens to sounds before knowing when it is safe to cross. As Andrew is about to cross the street his friend pulls him backing saying that it is unsafe because he hears a firetruck siren. Andrew listens to the siren and hears a low pitch long wavelength noise. Is it safe for Andrew to cross? Explain why or why not and describe the motion of the fire truck.

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