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MSU / Physical Science / PHSC 1013 / What is interpreted as pitch?

What is interpreted as pitch?

What is interpreted as pitch?

Description

School: Mississippi State University
Department: Physical Science
Course: Physical Science Survey 1
Professor: Paul cuicchi
Term: Spring 2016
Tags: electricity, wave motion, and Sound
Cost: 50
Name: Test 3 Study Guide Physical Science survey PH 1013-03, Florin Lung
Description: Chapter 5 &6 Wave Motion and sound, Electricity
Uploaded: 10/24/2017
3 Pages 60 Views 2 Unlocks
Reviews


Physical Science Survey Study Guide Test 3 


What is interpreted as pitch?



Professor: Florin Lung 

_____________________________________________________________________________________ _____

Chapter 5: Waves Motion and Sound  

Frequency and period are inverse. 

T= 1/F ←-------------→ F= 1/T 

● Frequency is NOT the time required for one complete cycle.  

-Frequency is amount of vibrations that are completed in one second -Unit: Hertz (Hz)  

● Sounds that move through air are NOT transverse waves. ● Only pressure waves or longitudinal waves can travel through gases. ● Transverse mechanical waves can only move through solids. ● Longitudinal waves can move through gases, solids, and liquids. ● Sound does NOT travel faster through cold, denser air than through  


What is the exact speed of sound?



If you want to learn more check out How do we go from scenes and objects in the world to scenes and objects in maps and pictures?

warm, less dense air. 

● Sound waves travel faster in warm air compared to cool air, solids  

compared to liquids, and liquids compared to gases. 

● When you increase the energy that goes into starting a vibration, the  

amplitude increases 

● A period is the time required for one cycle of any repeating event  ● Longitudinal waves are particles of a material that move back and forth 

in the same direction of the wave 

● Transverse waves are particles of a material that move up and down  

perpendicular to the direction of the wave  

● The greater the frequency, the higher the pitch will be. 


What causes a beat frequency?



● Both constructive and destructive sound interference is necessary to  We also discuss several other topics like What does propriation mean?

produce beats. 

● A resonance takes place at a natural frequency and is an efficient  

transfer of energy  

● Frequency is the number of cycles that a vibrating object moves  through during a time interval of 1 second.

● The frequency of the wave is what is interpreted as pitch. ● The period of a vibrating object is inversely proportional to the  

frequency

● A wave travels and carries energy. 

● An echo and a reverberation is different based on the time interval  between the sound reflected and the original sound

______________________________________________________________________________ _______

Chapter 6: Electricity

● The electrical force is NOT much weaker than the force of gravity. 

● An object gaining protons does NOT cause it to become positively  charged.

● An object becomes positive by gaining an excess of electrons.

● Doubling the distance between two charged objects will reduce the  electrical force by a factor of four.

● A magnetic field is produced around a wire by a charge moving  through the wire.

● The attractive force between two unlike charges and the repulsive  force between two like charges have the same strength. We also discuss several other topics like How do we integrate digital throughout the entire customer lifecycle?

● Chemical, light, and electrical phenomena involve movement or  interactions in the electrons of the atom.

● An object becomes electrostatically charged after the transfer of  electrons.

● A unit of electrical charge is called a coulomb.

● A unit of electrical potential difference is called a volt.

● A unit of electrical current is called an amp.

● A watt requires a measure of time.

● Work has the unit of kilowatt-hour.

● Amp and watt are measures of rates.

● Ohm’s law states that the potential difference increases if the current  in a circuit increases.

Formulas 

Wave Velocity, v=f λ  

Speed of sound, v = 331+ 0.6(T)

Beat frequency, fb= f₂-f₁

Harmonic frequency, fn= nv/2L

Charge of an object, q=ne

Single electron = ­1.60 x 10^­19 C

Single proton = +1.60 x 10^­19 C 

q = total charge in coulombs  

n = number of extra electrons  

 e = fundamental charge We also discuss several other topics like Is non-violent and aggressive pornography the same?
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Voltage, V= W/ q 

Ampere, I= q/ t …. 1A= 1C/ 1 sec Ohm’s Law, V=IR … R= V/ I … I= V/ R Power, P= IV 

Series Resistances, Rtotal= R1 + R2 … Parallel Resistances, 1/Rtotal= 1/R1 + 1/R2 …

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