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      <title>Period 2 Waves and Simple Harmonic Motion by Thomas E Clark</title>
      <link>https://padlet.com/tec430/6muwvvau80kk</link>
      <description>Please answer the following: (1) What is simple harmonic motion? (2) What are the parts of a wave? (3) Define and or express as an equation of the following: Period, Frequency, Amplitude, mechanical waves, medium, transverse and longitudinal waves (4) What is Hooke&#39; Law and what does k represent? (5) Practice question 1 and 2 from SH3 (6) What is the equilibrium position?</description>
      <language>en-us</language>
      <pubDate>2017-02-14 17:09:45 UTC</pubDate>
      <lastBuildDate>2025-11-01 18:54:11 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>Anton Loeb</title>
         <author></author>
         <link>https://padlet.com/tec430/6muwvvau80kk/wish/153793533</link>
         <description><![CDATA[<div>1. Simple harmonic motion is the motion of a mass on a spring subject to the restoring force projected by Hooke's Law, which states that it takes twice as much force to stretch a spring twice as far.<br>2. The parts of a wave are the trough, crest, amplitude, and wavelength.<br>3. The<br>4. Hooke's Law states that it takes twice as much force to extend it twice as far.<br>5.<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2017-02-14 17:16:59 UTC</pubDate>
         <guid>https://padlet.com/tec430/6muwvvau80kk/wish/153793533</guid>
      </item>
      <item>
         <title>Stephen Tu</title>
         <author></author>
         <link>https://padlet.com/tec430/6muwvvau80kk/wish/153794788</link>
         <description><![CDATA[<div>1. Simple harmonic motion is oscillatory motion under a retarding force proportional to the amount of displacement from an equilibrium position.<br>2. Highest part of a wave is the crest. Lowest part of a wave is the trough. Distance from one crest/trough to another is the wavelength. Amplitude is the distance between resting point and crest/trough. Resting point is where wave begins to disturb the medium.<br>3.</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-02-14 17:20:08 UTC</pubDate>
         <guid>https://padlet.com/tec430/6muwvvau80kk/wish/153794788</guid>
      </item>
      <item>
         <title>Alan Martino</title>
         <author></author>
         <link>https://padlet.com/tec430/6muwvvau80kk/wish/153798174</link>
         <description><![CDATA[<div>1.) Simple harmonic motion is when the net force acting on an object is elastic, and then the object undergoes a simple oscillatory motion.&nbsp;<br>2.) The crest is known as the highest part of the wave. While the lowest part is called the trough. Amplitude is known as the distance from one crest/trough to another. The resting point is where the wave begins to disturb the medium.&nbsp;<br>3.)&nbsp;<br>4.) Hooke's Law states that it would usually take twice the force in order to extend it twice as far.&nbsp;<br>5.) </div>]]></description>
         <enclosure url="" />
         <pubDate>2017-02-14 17:28:30 UTC</pubDate>
         <guid>https://padlet.com/tec430/6muwvvau80kk/wish/153798174</guid>
      </item>
      <item>
         <title>Anton Loeb (Continued)</title>
         <author>aloeb1</author>
         <link>https://padlet.com/tec430/6muwvvau80kk/wish/153899194</link>
         <description><![CDATA[<div>1. Simple harmonic motion is the motion of a mass on a spring subject to the restoring force projected by Hooke's Law, which states that it takes twice as much force to stretch a spring twice as far.<br>2. The parts of a wave are the trough, crest, amplitude, and wavelength.<br>3. Some equations having to do with period, Frequency, Amplitude, mechanical waves, medium, transverse and longitudinal waves are:<br>T = 1/f<br>T = wavelength/velocity<br>f= 1/t<br>4. Hooke's Law states that it takes twice as much force to extend a spring twice as far. The formula is F=-kdeltax. The k is Hooke's constant which is different for every spring and is measure in Newtons/Meter<br>5. 1. 200 N/m * 6 Meters = 1200 Newtons applied<br>    2. 52 N/ 73 N/m = .71 Meters change</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-02-15 00:51:46 UTC</pubDate>
         <guid>https://padlet.com/tec430/6muwvvau80kk/wish/153899194</guid>
      </item>
      <item>
         <title>Weixin Luo</title>
         <author></author>
         <link>https://padlet.com/tec430/6muwvvau80kk/wish/153927009</link>
         <description><![CDATA[<div>1.Simple harmonic motion is a type of oscillation motion where the restoring force is directly proportional to the displacement and acts in the direction opposite to that of displacement .</div><div>2. The highest part of the wave is the <strong>crest. </strong>The lowest part is called the <strong>trough. Amplitude </strong>is the distance between resting point and crest/trough. <strong>Resting point </strong>is where wave begins to disturb the medium.<br>3.Period (T)= 1/f<br>Speed (v)= wavelength/velocity<br>Frequency (F)=1/t<br>4.Hooke's law is a principle of physics that states that the force F needed to extend or compress a spring by some distance X is proportional to that distance.&nbsp; K represents the force of the spring.<br>5.1. 200 N/m * 6 Meters = 1200 N<br>&nbsp; &nbsp; 2. 52 N/ 73 N/m = 0.71 Meters&nbsp;<br>6.Chemical equilibrium is the state in which both reactants and products are present in concentrations which have no further tendency to change with time.<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2017-02-15 06:20:48 UTC</pubDate>
         <guid>https://padlet.com/tec430/6muwvvau80kk/wish/153927009</guid>
      </item>
      <item>
         <title>Andrew Lin</title>
         <author>alin3</author>
         <link>https://padlet.com/tec430/6muwvvau80kk/wish/154228571</link>
         <description><![CDATA[<div>1. Simple harmonic motion is periodic motion in which the restoring force (force that tries to restore the object to its resting position) is directly proportional to the displacement of the object.<br>2. The highest part of a wave is the crest and the lowest part is the trough. Amplitude is the maximum displacement between a particle in a wave and its rest position, and the wavelength is the length of one complete oscillation of the wave.<br>3. Period (T) = 1 / Frequency (f)<br>&nbsp; &nbsp; Energy (E) ∝ (Amplitude (A))<sup>2</sup><br>&nbsp; &nbsp; Speed (v) = Wavelength (λ) / Period (T) = Wavelength (λ) / Frequency (f)<br>4. Hooke's Law states that the amount of force needed to stretch or compress an elastic material is directly proportional to the displacement of the material, or F = -kΔx.<br>5. 1. F = (200 N/m)(6.0 m) = <strong>1200 N</strong><br>&nbsp; &nbsp; 2. 52 N = (73 N/m)Δx = <strong>0.712 m<br></strong>6. The equilibrium position is the position an object assumes at rest, with no forces acting on it.</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-02-16 06:39:32 UTC</pubDate>
         <guid>https://padlet.com/tec430/6muwvvau80kk/wish/154228571</guid>
      </item>
      <item>
         <title>Tabib Hossain</title>
         <author></author>
         <link>https://padlet.com/tec430/6muwvvau80kk/wish/154646710</link>
         <description><![CDATA[<div>1. Simple harmonic motion is periodic motion where the restoring force is directly proportional to the displacement of the object.<br>2. The highest part of a wave is the crest, the lowest is the trough. Resting point is where a wave begins to disturb the medium. Amplitude is the distance between the resting point and trough or crest.<br>3. Period(T) = 1/frequency(f)<br>&nbsp; &nbsp; f = 1/T<br>&nbsp; &nbsp; T = wavelength/velocity<br>4. Hooks's Law says that the force needed to stretch or compress an elastic material is proportional to the displacement. F=-kΔx<br>5. 1. 200N/m * 6m = <strong>1200N<br>&nbsp; &nbsp; &nbsp;</strong>2. 52N / 73N/m = <strong>0.712m</strong><br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2017-02-17 17:18:38 UTC</pubDate>
         <guid>https://padlet.com/tec430/6muwvvau80kk/wish/154646710</guid>
      </item>
      <item>
         <title>Alan Martino P.2</title>
         <author></author>
         <link>https://padlet.com/tec430/6muwvvau80kk/wish/154649679</link>
         <description><![CDATA[<div>5.) 1. 200N / m * 6m = 1200N<br>&nbsp; &nbsp; &nbsp; 2. 52N / 73N / m = .712m<br>&nbsp;<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2017-02-17 17:28:39 UTC</pubDate>
         <guid>https://padlet.com/tec430/6muwvvau80kk/wish/154649679</guid>
      </item>
      <item>
         <title>Arnav Verma</title>
         <author></author>
         <link>https://padlet.com/tec430/6muwvvau80kk/wish/154653018</link>
         <description><![CDATA[<div>1. Simple Harmonic Motion is periodic motion in which the restoring force is directly proportional to the displacement of the object.&nbsp;<br>2. The highest part is called a crest and the lowest is called a trough. Resting point is where a wave begins to disturb the medium. Amplitude is the distance between resting point and the crest or trough.&nbsp;<br>3. Period(T) = 1 / Frequency (f)<br>f = 1/ T<br>T = Wavelength / Velocity&nbsp;<br>4. Hooke's law states that the forced required to stretch/compress elastic material is directly proportional to the displacement.&nbsp;<br>5. 1) 200 / 6 = 1200 N<br>2) 52/73 = 0.712 m<br>6. Equilibrium is the position at which the object is at rest and there are no forces acting on it.&nbsp;<br><br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2017-02-17 17:40:38 UTC</pubDate>
         <guid>https://padlet.com/tec430/6muwvvau80kk/wish/154653018</guid>
      </item>
      <item>
         <title>Natalie Pandher</title>
         <author></author>
         <link>https://padlet.com/tec430/6muwvvau80kk/wish/154654886</link>
         <description><![CDATA[<div>1. <strong>Simple harmonic motion</strong> is an oscillation motion where the restoring force is proportional to the displacement. <br>2. The wave's <strong>crest</strong> is the highest part, the <strong>trough</strong> is the lowest part, and the<strong> amplitude</strong> is the distance between the resting point and the crest or trough. The <strong>resting point</strong> is where the wave begins to disturb the medium. <br>3. Period= 1/ frequency Frequency= wavelength/ frequency<br>Amplitude= resting point - crest<br>4. <strong>Hooke's Law</strong> says that the displacement of the object is directly proportional to the force needed to stress or compress the elastic. The k is spring constant.<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <strong>&nbsp; F= -k* displacement</strong><br>5.&nbsp; &nbsp; &nbsp;1) 200 N/m * 6 m = <strong>1200 N</strong><br>&nbsp; &nbsp; &nbsp; &nbsp; 2) 52 N / 73 N/m =<strong> 0.7 m</strong>&nbsp;<br>6. The equilibrium position is where the object has no forces acting on it and it is at rest.&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-02-17 17:47:11 UTC</pubDate>
         <guid>https://padlet.com/tec430/6muwvvau80kk/wish/154654886</guid>
      </item>
      <item>
         <title>Ian Ruiz</title>
         <author></author>
         <link>https://padlet.com/tec430/6muwvvau80kk/wish/154656714</link>
         <description><![CDATA[<div>1. Simple harmonic motion is an motion that takes the form of oscillation. </div>]]></description>
         <enclosure url="" />
         <pubDate>2017-02-17 17:52:42 UTC</pubDate>
         <guid>https://padlet.com/tec430/6muwvvau80kk/wish/154656714</guid>
      </item>
      <item>
         <title>Kayla Yim</title>
         <author>kaylayim5</author>
         <link>https://padlet.com/tec430/6muwvvau80kk/wish/154830072</link>
         <description><![CDATA[<div>1. Simple harmonic motion is an oscillatory motion under a retarding force proportional to the amount of displacement from an equilibrium position.<br>2. The crest is the highest part of the way, while trough is the lowest and the amplitude is the distance between the resting point and the crest or trough. Then the resting point is where the wave begins to disturb the medium.<br>3. Period (T)= 1/f<br>Speed (v)= wavelength/velocity<br>Frequency (F)=1/t<br>4. Hooke's Law states that the amount of force needed to stretch or compress an elastic material is directly proportional to the displacement of the material, or F = -kΔx. k represents the slope of the straight line W versus x plot.<br>5. 1) 200N/m * 6m = <strong>1200N<br>&nbsp; &nbsp; &nbsp;</strong>2) 52N / 73N/m = <strong>0.712m<br></strong>6. The equilibrium position is where the object has no forces acting on it and it is at rest. </div>]]></description>
         <enclosure url="" />
         <pubDate>2017-02-19 22:29:26 UTC</pubDate>
         <guid>https://padlet.com/tec430/6muwvvau80kk/wish/154830072</guid>
      </item>
      <item>
         <title>Barkoat Moges</title>
         <author></author>
         <link>https://padlet.com/tec430/6muwvvau80kk/wish/157217966</link>
         <description><![CDATA[<div>1. Simple harmonic motion is when the force that restores an object's equilibrium position&nbsp; is proportional to the displacement of the object.<br>2. In each wave there is a trough and crest. The trough is the low point and crest is the high point.&nbsp;<br>3. -A period is the time is takes for a motion of the oscillator to complete one cycle. &nbsp;<br>-Frequency= 1/Period (T)<br>-Amplitude is the maximum disposition of a wave also known as the "pulse" of a wave.&nbsp;<br>-Mechanical waves are the type of waves that need a medium to allow for them to travel.<br>-A medium is any substance that carries a wave.&nbsp;<br>-Transverse waves are waves that vibrate perpendicular to the direction of the wave's motion.&nbsp;<br>-Longitudinal waves are waves that vibrate parallel to the wave's motion.&nbsp;<br>4. Hooke's Law states that the force exerted by a spring is directly proportional to the displacement of the stretched spring. (F=-kx)<br>K represents the spring's constant. And x represents the displacement.&nbsp;<br>5. &nbsp;<br>6. The equilibrium position is where there are no forces acting on an object. </div>]]></description>
         <enclosure url="" />
         <pubDate>2017-03-02 02:26:01 UTC</pubDate>
         <guid>https://padlet.com/tec430/6muwvvau80kk/wish/157217966</guid>
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