Ballistic Ping Pong Ball vs. Tennis Ball at 450km/h!
ฝัง
- เผยแพร่เมื่อ 9 เม.ย. 2020
- What happens when you shoot a ballistic ping pong ball going 450kph at a tennis ball?
Check out Brandon’s iPhone video on GizmoSlip: • Can Ping Pong Ball Rea...
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Resources:
Car Crash Testing Footage used with permission from IIHS at
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FAA Explosive Decompression:
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Moon atmosphere:
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Vacuum at CERN:
home.cern/science/engineering...
www.wired.com/story/lego-buga...
Fiat Specs
www.edmunds.com/fiat/500/2019...
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Hi PeEpS! I'm still sane. How are you all? I wanted to say, all of this (save for the parts at home with my poor roommates who I keep scaring with the very loud ping-pong cannon) was filmed before stay-at-home orders. I'm currently, self-distancing in my room with lots of soda cans with holes in them. Stay safe and stay home! -D
Love your work , from India✌️
Doing well! Great to see another amazing video from you. Your channel is one of the best on TH-cam regardless of viewership. Stay safe, but looking forward to your next video! :)
I'm still sane but just barely. Having to homeschool now and my daughter told me she missed the bus, so no school today.
Where did you get the plushie pi? :0
@@maxswagger164 that's a recurring character in 3blue1brown videos. I'd check his channel for a merch store.
Physics Girl: Let's say you, an *average human*
Me: [didn't need the reminder] 😒
Me: But I'm a car!
sooooo: "A miserable pile of secrets"? (Castlevania: Symphony of the Night "What is a man?")
... yeah, that was a pretty bad insert of that thing...
Lmao, right!?
Pfft be proud your top of the bell curve. At least your top of something.
But i want to be an attack helikopter :(
"we were all adults" (has chocolate on face) XD
Were we really though.....
The jokes and humorous parts of this video as hilarious. The look Diana's face when she gets exited just never gets old. Joy to watch.
Watching the clock is almost like a behind-the-scenes of how these are recorded. Even more fascinating, the chocolate which does not appear to be present at 4:52pm, is present at 5:04pm, and does not appear to be present at 5:23pm. I imagine even more chocolate has gone missing since this video was posted!
This my friends is science in action. Diana would be so proud.
I noticed this also
Have you noticed Destin's clock on Smarter Every Day? :)
andymcl92 Yep. I just can’t read the darn thing!
@@MikkoKalavainen If I recall correctly, there are just blocks of squares, and the number of lit squared in each block represents a digit reading downwards. If I think the top section has 3 squares, but only gets used for digits 0-2, representing the 10s digit in the hour. Then there are 9 squares, for the digits 0-9 in the hour's units. Then there are 6 for the 0-5 in the minutes' 10s column, then another 9 for the minutes' units.
Love that you’re consistently using metrics 👍😄
skemsen as a non-American, it took me a while to figure out why this was so amazing
You meant metric system
Dubble You We’ve transitioned quite a bit into using the metric system, but common everyday speak, we always use Untied States Customary Units. In science, healthcare, and in a lot of the food/beverage industry, we use metric a ton.
Americans can understand metrics too.... we just have to pause the video... break out abacuses and slide rules to get the imperial result..... say wow... restart the video. Simple!
You cannot stifle American culture by pandering to the crossovers. Most Americans understand both systems while you pander to your own ignorance. 🙄
Americans before FIAT bought Chrysler: - what is Italy
Americans after FIAT bought Chrysler: - particles per square FIAT
6:09 Real Grant Sanderson physical form spotted on the couch.
I Did A Thing subscribers: *Hey, I've heard this one before!*
This is super confusing to me: Why do I have TWO amazingly attractive girlfriends even though I am the unprettiest TH-camr EVER? Good night dear jaki
Kali Takumi Yesssssssssss
@@AxxLAfriku because your girlfriends live on pieces of paper
Hey yeah!
I love I did a thing
Wait, "I did a thing" just did a thing with a ping pong ball cannon a few days ago...
CONSPIRACYYYYYYYYYY!!!!!!
I know!
SmarterEveryDay did it along time ago with Golf balls.
Questocanale Sad, I was hoping they would collab in this video because of how similar the topic is.
Illuminati helping make the world a smaller, connected and more controlled place :P
5:47 I also love how the ping-pong ball goes back into the cannon before having a second try ...
3:03 Love the clock in the back to show the time skips...3 minutes back...
11:50 ...26 minutes forward...
12:22 ...now 25 minutes back...
13:33 ...23 minutes forward...
Thanks editor!!!
I love watching Physics Girl
My Chinese buddy: "Hey, play me in Ping Pong I'll take it easy on you bro"
What happens: 0:24
You
Richard Nixon approves.
You again.....😂
What man.....😂😂
Again a coincidence? Hahaha
Just Some Guy without a Mustache as a chinese I can confirm
The way you explain things and the energy you have about it is great I love it.
You always find a way to make physicsing interesting and fun while still being educational. Very good video, Dianna.
Fun fact: John Stapp has a scientific journal named after him that publishes studies on automotive safety.
Interesting coincidence that "I did a thing" released a video with the same premise just a day ago, yet it goes in a completely different direction than this video
And as usual, NightHawkinLight did this a year before it got popular. And gets no credit.
@@danielf3623 and the myth busters did it years before
I did a thing mentioned that in his video, did nighthawklight also?
@@Xenu321 I did a thing actually did mention the myth busters in his video from what I know. Also this is a straight rip off and I did a thing figured it out himself.
@@gonndalfderdrolfte1058 Das war was ich sagte.
@@Xenu321 oh yah nvmd
This is great ! Love how you move between a cool home experiment to real world applications and thinking about different scenarios :)
6:08 Love he Pi Plushie!
Damn i literally just rewatched the mythbusters episode on this concept last night
10:36 did you just call me an "average human"?!
I love the way you present your content. I'm a teacher and commercial pilot, so trying to transfer my fascination of physics to students is enthusiastic at my end at least. Your enthusiasm is infectious. Stay safe from that other infection.
You rock! This was particularly interesting as I just got done playing tennis this afternoon...keep up the great content!
"So, what have you learned!"
The weaker the car is, the stronger the car is
Wrong. Apparently you did not understand.
@@adventureswithfrodo2721 ask gandalf then
No
It’s just a joke yall
RoseGlow Its a bad joke tho
That sad moment when you realize that you've spent so much time in a single auditorium that you recognize it in a super pixelated video on youtube without having to be told where it was
Just stumbled onto your channel today. I started with places I've been to...Racetrack Playa, Niland Mud Pot, etc. Thank you for sharing this genuinely cool and interesting content. I like the funny jokes you add to the end of your videos. The collaboration of your efforts are much acknowledged and appreciated. For someone who experiences mental illness that handicaps me from fully experiencing life like I was once accustomed, it's the purest, simplest pleasures in day to day life that keep me going...the two profound ones being TH-cam videos and online food delivery. Cheers to you and your crew. Thank you.
This video is amazing Dianna, props to you and the collaborators!
Your cannon should play table pong against I DID A THING's cannon, it would he a epic battle.
Australia is awfully far away.
5:45
She makes the best sound effects. This and the "Poof!" are my favorites.
came down looking for this just to check if someone else noticed
First time I’ve came across your videos that I remember and it’s an insta sub. Blasting ping pong balls at super speed is exactly the kinda things I like to watch. I’m sure your channel will entertain me.
Done subscribing. Just the TH-camr types i am searching for. Fun, informative, practical and interesting
What I learned today: I learned I want to make a ping pong ball cannon.
That time when you have a problem with 'the story' being continuous, but the clock in the background isn't.
Diane not only you are informative, but a delight to watch. Keep up the good work high five physic girl !!!
Thanks for sharing this amazing video and explanation
"penetrating power" "cold, hard physics" "your organs going up" "hit with balls" "what happens when we make it longer" "a hole breach" "it was all adults doing this"
3:28 That plushie in the back is from 3blue1Brown! :D
You are the bomb! I taught this to occupational therapists and physical therapists back in the 1980s! Your video is worth a semester of physics!
Thanks so much for creating and sharing this educational and entertaining video. Great job. Hope that each day you are feeling better than the day before.🙏
Hello Ma'am, is a lot of energy lost in the breaking of the mylar blanket at the end where the ball is coming out of? Does that not reduce the speed of the ball?
I imagine it would to a small degree but how else could you create a vacuum? :D
No one:
Diana: lets just break some stuff y’now
Car design is genius. If you impact something with your wheel, the tire is designed to give out first. Then the wheel, followed by the lower suspension arm. Axles are designed to just snap.
After all of these parts have done their job and given in to the impact, then it's time for the frame and subframe to do some more absorbing of the impact.
Crumple zones are basically weak points places across the front and rear frame to bend/deform in certain ways.
Wonderful content! Thank you!!
Hello, Physics Girl. The Structures Guy is a big fan of your videos.
"I drive a giant SUV so that I'm safer." Thereby making the roads LESS safe for EVERYONE ELSE. And the more giant SUVs around, the more it levels back out again to "well now you're all equally unsafe". Except now you have much higher centers of gravity, vehicles that are harder to control, vehicles that do much more damage to anything else that they hit, make it harder to see anything else on the road, that are literally harder to drive and park due to their size, and that are wasting many more resources both in manufacturing and in fueling. Also, putting more wear on the roads.
Don't drive SUVs. And if you absolutely need the capacity, pick a smaller, less massive one.
In the UK (which, admittedly, is a relatively small island), fuel economy is often a big driver of vehicle sales, given petrol (gas) costs over £1/litre and diesel varies from the same price to 10p/litre more expensive.
Thus smaller cars tend to be more in abundance than bigger cars - plus the bigger SUVs (or Chelsea Tractors as they're sometimes called derogatorily) can only just squeeze into the standard parking space, leaving little room for the occupants to get out if the adjacent spaces are occupied.
Added onto which, even tiny cars often have 5 star ratings in the Euro-NCAP crash safety tests, due to very efficient use of crumple zones in the engine compartment, a more rigid passenger compartment (including side impact protection beams in the doors), airbags everywhere and seat belt pre-tensioners (which also minimise whiplash).
I need guns to protect myself against SUVs.
If you need capacity, drive a mini van. People don't like them because "they're not cool", but they have twice as much capacity as any SUV and are far more comfortable. The only thing that compares is a full sized pickup truck with a crew cab (a new one, where the back seats are huge) and a fully covered bed (or the luxury SUVs like Cadillac and Lincoln make which are basically just pick ups). The modern SUV is just a clunky, heavy, fuel inefficient car with AWD (sometimes 4WD).
It does give you more safety
Good real life prisoner's dilemma example
Love your channel!!! Imagine using compressed air instead of atmospheric pressure!
Class, I loved the way you said it was adults but you clear still have a childlike curiosity, something that you should never lose.
Never have been this fast. Happy Easter everyone
3:15 That PingPong ball is what should've happened to the Flash when he supersonic punched Grodd.
First of all thanks for all the great videos your making. Very interesting and with a bit of humor. Perfect for learning. And when you talked about g-force I came to think about Kenny Bräck The swedish race car driver (yeah, i'm from sweden) when he crasched, the g-force meter or whatever the english word for it is mesured 214 g. I think theres a bunch of videos of that crasch on TH-cam.
Oh my gosh so cool! Btw, I love your blush pi in the background!
I thought that billiard balls used to be made of celluloid in the late 1800's, and that they are now made of phenolic resin.
Chris G Indeed. Ping pong balls are really the only product still made of celluloid. Film hasn’t been made out of it for a very, very long time.
9:29
*Cybertruck lurks in the shadows*
NightHawkInLight improved upon the rig by using disposable plastic cups with an o-ring instead of foil or film for the destructible end cap. Might want to look through his videos for it. Cups are available at any convenience store and getting the vacuum cannon ready is a heck of a lot faster. (Like less than a minute to jam on the plastic cup vs. whatever time it takes to smooth out and avoid tearing while stretching a cover over the end.) Just thought I'd put that out there for anyone interested in this kind of thing.
Thanks for making videos while in quarantine .. i miss this
"I did a thing" intensifies
To your viewers and also to Dianna time make sure secure the pipe specially when you put some kind of test
Look carefully at 0:18 pipe coming back
Thats can hurt anyone pretty baldly
This was an awesome experiment!! Loved it😉👍🏾
I like you as a teacher, breaking it down to easy to understand terms.
The timing of both our videos is strange. Its like the universe is telling us we should do a collab
Sorry only real people can do collabs.
Definitely should do a collab!
Hmmmm
13:40 my mom would've laughed so hard at that joke
Great paper by Eric Ayars and Louis Buchholtz (2004) about the limits of vacuum cannon speed in relation to cannon length
3:52 I love having seen the twitter thread before knowing why you wanted to know, and then finding out here.
NB: Science involves lots of chocolate chips or Requires chocolate chips to be eaten to prove a hypothesis.
I-Did-A-Thing would like to talk.
Yeah
I did a thing is sooo funny
flattening the curve FTW :D you are amazing. keep rocking, the world needs people like you.
Damn this format by always coming back to the ping pong ball is genius!! Realy good storytelling skills diana :O
That clock in the back jumps all over the place. That and the chocolate episode was out of sequence... Editor did a lot of work on this one.
I did a thing just did this what the heck
hi love the vids watching for my school work thank you so much
I need to make one. stay safe and healthy! Love your videos.
Legend has it that if you comment early enough, Physics Girl replies 😳
Oof man
Oooooffff
Uncle: cmon try play ping pong, i won't hit it that hard
10 seconds later: 0:24
If you have a vacuum reservoir you can launch more massive projectiles because as any air passes the projectile the vacuum continues to be pulled by the reservoir. I did a 3d printed projectile and it did a lot of damage. So, pull the vacuum with a few barbed fittings at the exit end into a 4" PVC pipe reservoir which is attached to the vacuum pump.
I love seeing people so pumped about a subject.
God she is so cute
I wish I had a friend like you : )
Just to hangout and talk about physics and other things ; )
Physics club
I enjoyed every second, thank you for this amazing content 😊
12:21 please explain what effects along the wall you’re talking about! I’m so curious... because you’re not talking about boundary layer stuff right? Bc vacuum?
I'm curious as well! I am thinking it's the little amount of air gushing past the ball (while the ball is being pushed and accelerated) but also limited by the choke velocity at the annular gap between the ball and the wall whilst in motion. For this reason lower clearance can help speed up the ball more as well as have very little air ahead of it in the end that is compressed (and loses energy) between the mylar and the ball. Interesting would be to see how would a half cut ping pong ball perform.
Sharing your videos regularly with my 8th grade science students as a pick me up! Thanks for all that you do..and safe passage!
Just a few fun facts as a table tennis player: since 2014/2015 we stopped using celluloid balls. Instead, now the balls are made of plastic with a diameter of at least 40 mm (hence they are referred to as 40+). Also, the majority are now seamless which means they got rid of the weak point where the two halves would converge. The grading of the ball also matters. If you're using a 3 star ball which is much rounder than, let's say a 1 star (training ball), you get more stability, spin and speed due to less friction. The brand matters too - nitakku balls feel heavier than others, for insntace.
I doubt this will trigger an update for the video:)) but I hope you enjoyed the quick fun facts.
A few years ago I was involved with similar experiment, experiment always sounds better to describe fun destructive behavior, at our local makerspace.
We found out that there was a large diminishing return from lengthening the cannon. Since the ping pong ball is not a perfect fit, at some length enough air leaks aroung the ball to stop it.
What made a huge difference was popping the Mylar burst disk with air pressure rather than puncturing it. 450 Kph translates to my english ballistic frame of reference to about 410 fps. With the air we had more than twice that or about 1000 fps measured with a ballistic chronograph. If you ever move to 2.0 of the ping pong ball antics that might be fun.
Happy Easter physics girl!
You are good in explaining things.
My son needs your kind of teacher. Who explain detail or maker easier to understand. What their topics about. 👏👏👏👏
Love the episode. Knowledge with humor!
This is one of my favourite videos because it applies to space. Love ittt
So glad I found this channel!
Great to see Col John Paul Stapp mentioned!
If you want to see the horrific effects of explosive decompression, google "Byford Dolphin." A "diving bell" accident were they went from 9 atmospheres to 1 in an instant. Pics are available if you look hard enough, but the written description is gruesome enough. The death scene from the Bond film "The Living Daylights" appears to be based on that accident (the pressure change matches).
Awesome as always. Keep it up.
Having attended BYU, I thought that classroom looked familiar when you first showed it... I'm pretty sure I did custodial in that building my first summer term.
I'm so happy I found this channel!!
A question won't leave me. Is the sound only the vaccum being filled? Or is a portion of it the ping pong ball bursting?
Since it is bound to be compressed some before it snaps, would the air inside of it be pressured enough to make a sound as well as the ball breaks?
Great vid! You know which bits to explain and which bits to just say "it's complicated physics". :)
Great video, Physics Girl... by the way, there's a reason why filmmakers and stage directors don't put clocks in the scene :)
Thank you for the awesome video
Excellent video, Physics girl! The neighbors must have freaked out about the sound
Thanks for the generous content :)
@2:37 the can starts to deform before the ball hits it. Is this from the air compressed between the ball and can?
Hey, I recently started few pet projects on SDR (Software Defined Radios) and specially capturing satellite data. Now a days one question stuck in my mind i.e. will these satellites remain in their same orbit, even if earth’s rotation seed changes or stops?
Very cool video 😎. My brother made a similar unit to launch sensors into tornadoes, not an exaggeration lol. I believe that fella in the rocket chair detached both his retinas in that experiment 😳. Thanks for the video! 👍😁👍
I have a question that's always bugged me.... at 05:00.... If the Fiat is going forwards at 70kph, then backwards at 70+kph, is there a moment when it is stationary? ie. At the moment it switches from going forwards to backwards? If so, and the semi is "attached" to it.....are they both stationary for a split second? I can only assume that it is possible to go from 70 forwards to 70 backwards instantly, which also blows my mind!!