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Physics Concepts Questions
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Asked: Feb 5th, 2019
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Question Description
i need help for my assignment
i need help for my assignment
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Tags: physics concepts sound Electromagnetic Radation Leap Year
to_keep_the_timing_of_our_days_and_nights_synchronized_with_the_location_of_the_earth_in_its_orbit_around_the_sun.docx
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1- To keep the timing of our days and nights synchronized with the location of the Earth in its orbit around the sun, we add an extra day to February every fourth year and call it a leap year. Remembering that numbers have no meaning without units, for this event, what are (A) Its period ____________________, and (B) its frequency___________________? 2- We talked about a few things that show destructive interference of two waves so that they can cancel each other out. Tell me about one of them. 3- When two different instruments play the same note, you can recognize which instrument made which sound by the sounds themselves. What is different about the sounds (not the instruments) that allows you to do this? 4- Two things were mentioned in class that affect the speed of sound in air. Choose one and explain how you could change it to make sound travel faster. 5- While standing on a street corner, you hear the sound of a rapidly approaching car. How would the following properties of the sound wave you hear be different than if the car were stationary? (A) The frequency of the sound wave are _______________ than if the car w
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