https://padlet.com/rcampbell122/8ishtk3bq62y8n6z Post a question (with your name) about sound waves! en-us 2021-09-14 00:38:31 UTC 2021-09-15 19:09:51 UTC hello@padlet.com https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743759719 hi all]]> 2021-09-15 18:59:10 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743759719 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743761672 How loud/strong is a lifegaurd’s whistle?]]> 2021-09-15 19:00:06 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743761672 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743762470 Is there something that slows down sound waves? Kind of like how friction would slow down horizontal spring system waves, is there something that does that for sound waves? ]]> 2021-09-15 19:00:28 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743762470 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743762667 What would a sound with acceleration (non constant velocity) look like ?]]> 2021-09-15 19:00:34 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743762667 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743762862 I don’t know why spherical wave’s area is 4pir^2]]> 2021-09-15 19:00:38 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743762862 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743762946 The presentation says that 343m/s is the speed of sound at room temperature. How does the speed of sound vary based on temperature?]]> 2021-09-15 19:00:41 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743762946 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743763180 How does sound being in water effect the dB level?]]> 2021-09-15 19:00:46 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743763180 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743764260 can you reexplain phase constant and phase difference !]]> 2021-09-15 19:01:17 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743764260 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743764647 Is due to the fact that we pass the threshold of pain frequently for sound that our ear sensitivity decreases when we get older?]]> 2021-09-15 19:01:28 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743764647 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743765124 what is the difference between the phase constant we saw in the last module and the phase difference we saw this module]]> 2021-09-15 19:01:42 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743765124 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743765346 What frequency is the cut off between low and high pitch notes?]]> 2021-09-15 19:01:48 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743765346 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743765846 If some dude skis straight down a slope and yells as loud as he can at the same time, why would travel faster the guy or the noise like would you hear him first or see him first? For lightning, I realised I see it first, there is no noise and then thunder comes like 60 seconds after the lightning, which is obvious because light is quicker than sound, but do you think thunder does it on purpose to scare you, sorry dumb question.]]> 2021-09-15 19:02:02 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743765846 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743765877 Can the frequency of sound change? Can it accelerate?]]> 2021-09-15 19:02:03 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743765877 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743765919 Difference between Power and Power source?]]> 2021-09-15 19:02:04 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743765919 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743766087 Does the intensity of a spherical wave influence its frequency? ]]> 2021-09-15 19:02:09 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743766087 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743766092 My friend has these earphones that you place outside of your actual ear (right in front of it) and he said these work by sending vibrations directly to your bones? It was really cool because even though I was blasting music I could still hear people talk really clearly. I was wondering if you knew how that worked? ]]> 2021-09-15 19:02:09 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743766092 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743766149 Will there ever be a way to see sound waves? Like a camera that captures sound waves]]> 2021-09-15 19:02:11 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743766149 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743766380 How does the fact that sound waves are longitudinal waves change any of the formulas we used in transverse waves?]]> 2021-09-15 19:02:18 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743766380 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743766443 Is the reason why animals can detect earthquakes faster than humans because of their ability to hear wider range of frequencies?]]> 2021-09-15 19:02:19 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743766443 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743767004 Is it possible for a sound wave to travel forever?]]> 2021-09-15 19:02:36 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743767004 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743768299 What values of amplitude would be considered loud/quiet sounds?]]> 2021-09-15 19:03:12 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743768299 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743768363 Can a certain frequency damage our hearing?]]> 2021-09-15 19:03:14 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743768363 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743769059 What is exactly the P source from the formula of the intensity? I’m not sure why the 4pir^2 can also be pir^2 in some problems? ]]> 2021-09-15 19:03:33 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743769059 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743769538 Is sound affected by gravity or other forces?]]> 2021-09-15 19:03:46 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743769538 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743770021 What happen if there are two sound wave coming toward each other and they are almost the same? do we just don't hear anything at all? 

]]> 2021-09-15 19:04:01 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743770021 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743770209 What happens to sound waves in water?]]> 2021-09-15 19:04:06 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743770209 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743770610 What is the difference between sound intensity level and sound intensity? ]]> 2021-09-15 19:04:16 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743770610 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743770769 Are the units for intensity (W/m^2) equivalent to volts? ]]> 2021-09-15 19:04:20 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743770769 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743772132 is the sinusoïdal wave function for 3D wave and 2D or only 3D]]> 2021-09-15 19:04:58 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743772132 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743775483 How do we measure the speed of sound in different mediums? ]]> 2021-09-15 19:06:35 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743775483 https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743782477 How do we know sound is travelling in spherical waves? Why does the sound of an ambulance become softer (and the pitch changes) when it goes behind you?]]> 2021-09-15 19:09:51 UTC https://padlet.com/rcampbell122/8ishtk3bq62y8n6z/wish/1743782477