Physics Concepts Questions

Anonymous
timer 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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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 were stationary, and (B) the speed of the sound wave are _______________ than if the car were stationary.

Tutor Answer

Daphne234
School: Carnegie Mellon University

Hi buddy, here is the answer for this..contact me in case of anything..😎 Feel free to ask any questions😀

Running head: ELECTROMAGNETIC RADIATIONS

Electromagnetic Radiations
Student’s Name

Institution Affiliation

Date

1

ELECTROMAGNETIC RADIATIONS

2

Electromagnetic Radiations
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 th...

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Anonymous
Thank you! Reasonably priced given the quality not just of the tutors but the moderators too. They were helpful and accommodating given my needs.

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