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  3. 🤯 A visual physics lesson at 80 km/h.

🤯 A visual physics lesson at 80 km/h.

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  • anthropy@mastodon.derg.nzA anthropy@mastodon.derg.nz

    @nexta now do it at 400km/h from a jet, it'd only be like ~30G of acceleration

    smellsofbikes@mastodon.socialS This user is from outside of this forum
    smellsofbikes@mastodon.socialS This user is from outside of this forum
    smellsofbikes@mastodon.social
    schrieb zuletzt editiert von
    #26

    @anthropy @nexta At the height of Cold War madness, we did this with the A-5: it dumped its bomb load out the back on tracks at up to Mach 2, so it would have zero forward speed at release and drop straight down.
    (It was never used.)

    smellsofbikes@mastodon.socialS 1 Antwort Letzte Antwort
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    • smellsofbikes@mastodon.socialS smellsofbikes@mastodon.social

      @anthropy @nexta At the height of Cold War madness, we did this with the A-5: it dumped its bomb load out the back on tracks at up to Mach 2, so it would have zero forward speed at release and drop straight down.
      (It was never used.)

      smellsofbikes@mastodon.socialS This user is from outside of this forum
      smellsofbikes@mastodon.socialS This user is from outside of this forum
      smellsofbikes@mastodon.social
      schrieb zuletzt editiert von
      #27

      @anthropy @nexta on rereading, it dump out the back at some speed but not mach2

      toddz@social.linux.pizzaT 1 Antwort Letzte Antwort
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      • nexta@mstdn.socialN nexta@mstdn.social

        🤯 A visual physics lesson at 80 km/h.

        Enthusiasts launched a man from a moving truck in the opposite direction - at the same speed the car was traveling.

        The experiment spectacularly showed how relative speed works.

        catmisgivings@stranger.socialC This user is from outside of this forum
        catmisgivings@stranger.socialC This user is from outside of this forum
        catmisgivings@stranger.social
        schrieb zuletzt editiert von
        #28

        @nexta enthusiasts!

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        • nexta@mstdn.socialN nexta@mstdn.social

          🤯 A visual physics lesson at 80 km/h.

          Enthusiasts launched a man from a moving truck in the opposite direction - at the same speed the car was traveling.

          The experiment spectacularly showed how relative speed works.

          phil@gotosocial.quokka.todayP This user is from outside of this forum
          phil@gotosocial.quokka.todayP This user is from outside of this forum
          phil@gotosocial.quokka.today
          schrieb zuletzt editiert von
          #29

          @nexta "Enthusiast" 😆

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          • peterbrown@mastodon.scotP peterbrown@mastodon.scot

            @nexta I had to read this several times before I realised what you meant was it was the same speed as the truck was travelling, not the car

            gregsbrain@mstdn.socialG This user is from outside of this forum
            gregsbrain@mstdn.socialG This user is from outside of this forum
            gregsbrain@mstdn.social
            schrieb zuletzt editiert von
            #30

            @peterbrown @nexta me too

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            • bodhipaksa@mastodon.scotB bodhipaksa@mastodon.scot

              @nexta I may be misremembering, but I think Mythbusters wanted to do something like this but it was judged to be too dangerous. This really is very neat!

              fancysandwiches@neuromatch.socialF This user is from outside of this forum
              fancysandwiches@neuromatch.socialF This user is from outside of this forum
              fancysandwiches@neuromatch.social
              schrieb zuletzt editiert von
              #31

              @bodhipaksa @nexta yes, Jamie talked about this in an AMA recently

              knordstrom@techhub.socialK 1 Antwort Letzte Antwort
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              • nexta@mstdn.socialN nexta@mstdn.social

                🤯 A visual physics lesson at 80 km/h.

                Enthusiasts launched a man from a moving truck in the opposite direction - at the same speed the car was traveling.

                The experiment spectacularly showed how relative speed works.

                stragu@mastodon.indie.hostS This user is from outside of this forum
                stragu@mastodon.indie.hostS This user is from outside of this forum
                stragu@mastodon.indie.host
                schrieb zuletzt editiert von
                #32

                @nexta any chance this bot can can include alt text? Are replies monitored?

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                • fancysandwiches@neuromatch.socialF fancysandwiches@neuromatch.social

                  @bodhipaksa @nexta yes, Jamie talked about this in an AMA recently

                  knordstrom@techhub.socialK This user is from outside of this forum
                  knordstrom@techhub.socialK This user is from outside of this forum
                  knordstrom@techhub.social
                  schrieb zuletzt editiert von
                  #33

                  There's also a new podcast with Kari Byron and Tory Belleci called Mythfits and I think they referenced this exact video a few weeks back.

                  @fancysandwiches @bodhipaksa @nexta

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                  • anthropy@mastodon.derg.nzA anthropy@mastodon.derg.nz

                    @nexta now do it at 400km/h from a jet, it'd only be like ~30G of acceleration

                    jbaggs@infosec.exchangeJ This user is from outside of this forum
                    jbaggs@infosec.exchangeJ This user is from outside of this forum
                    jbaggs@infosec.exchange
                    schrieb zuletzt editiert von
                    #34

                    @anthropy @nexta Yeah. There's a limited range of speed where you can use speed in the opposite direction to neutralize the effects on a living creature. Beyond that you're headed into Euthanasia Coaster territory.

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                    • nexta@mstdn.socialN nexta@mstdn.social

                      🤯 A visual physics lesson at 80 km/h.

                      Enthusiasts launched a man from a moving truck in the opposite direction - at the same speed the car was traveling.

                      The experiment spectacularly showed how relative speed works.

                      ? Offline
                      ? Offline
                      Gast
                      schrieb zuletzt editiert von
                      #35

                      @nexta who was involved? I'd love to learn more about the planning that went into this.

                      pucetrailblazer@famichiki.jpP 1 Antwort Letzte Antwort
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                      • smellsofbikes@mastodon.socialS smellsofbikes@mastodon.social

                        @anthropy @nexta on rereading, it dump out the back at some speed but not mach2

                        toddz@social.linux.pizzaT This user is from outside of this forum
                        toddz@social.linux.pizzaT This user is from outside of this forum
                        toddz@social.linux.pizza
                        schrieb zuletzt editiert von
                        #36

                        @smellsofbikes

                        Ah - I was just wondering what kind of bomb-launching railgun they had in the fuselage!

                        I'd never heard of the A-5's unusual bomb bay configuration. Wikipedia explains that the payload "was propelled rearward at about 50 feet per second":

                        https://en.wikipedia.org/wiki/North_American_A-5_Vigilante#Design

                        smellsofbikes@mastodon.socialS 1 Antwort Letzte Antwort
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                        • nexta@mstdn.socialN nexta@mstdn.social

                          🤯 A visual physics lesson at 80 km/h.

                          Enthusiasts launched a man from a moving truck in the opposite direction - at the same speed the car was traveling.

                          The experiment spectacularly showed how relative speed works.

                          blackburied@newsie.socialB This user is from outside of this forum
                          blackburied@newsie.socialB This user is from outside of this forum
                          blackburied@newsie.social
                          schrieb zuletzt editiert von
                          #37

                          @nexta many years back, ZZ Top did a similar experiment where you’d sit in a spherical steel roll cage and they’d roll you out of the back of a pickup truck on the highway at high speed.

                          All was documented in their incredible music: “Master of Sparks”

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                          • peterbrown@mastodon.scotP peterbrown@mastodon.scot

                            @nexta I had to read this several times before I realised what you meant was it was the same speed as the truck was travelling, not the car

                            binford2k@hachyderm.ioB This user is from outside of this forum
                            binford2k@hachyderm.ioB This user is from outside of this forum
                            binford2k@hachyderm.io
                            schrieb zuletzt editiert von
                            #38

                            @peterbrown @nexta same, I was watching the video looking for a car to show up

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                            • ? Gast

                              @nexta who was involved? I'd love to learn more about the planning that went into this.

                              pucetrailblazer@famichiki.jpP This user is from outside of this forum
                              pucetrailblazer@famichiki.jpP This user is from outside of this forum
                              pucetrailblazer@famichiki.jp
                              schrieb zuletzt editiert von
                              #39

                              @pvanheus @nexta IIRC this is a clip from the Japanese TV show ITTE Q, where Nakaoka travels abroad to visit this stunt company to do the stunt (Nakaoka is the one letting go of the spring, not the one in the slingshot).

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                              • toddz@social.linux.pizzaT toddz@social.linux.pizza

                                @smellsofbikes

                                Ah - I was just wondering what kind of bomb-launching railgun they had in the fuselage!

                                I'd never heard of the A-5's unusual bomb bay configuration. Wikipedia explains that the payload "was propelled rearward at about 50 feet per second":

                                https://en.wikipedia.org/wiki/North_American_A-5_Vigilante#Design

                                smellsofbikes@mastodon.socialS This user is from outside of this forum
                                smellsofbikes@mastodon.socialS This user is from outside of this forum
                                smellsofbikes@mastodon.social
                                schrieb zuletzt editiert von
                                #40

                                @toddz My uncle flew a lot of exotic stuff -- he's the only person I know with a Mach 2+ pin -- and he told me about the A5. I was quite young so I might be responsible for the inaccuracy.

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                                • kierkegaanks@beige.partyK kierkegaanks@beige.party

                                  @nexta mythbusters did it without risking anyone’s life

                                  roadskater@mastodon.socialR This user is from outside of this forum
                                  roadskater@mastodon.socialR This user is from outside of this forum
                                  roadskater@mastodon.social
                                  schrieb zuletzt editiert von
                                  #41

                                  @Kierkegaanks @nexta Where's the fun in that?

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                                  • notsoloud@expressional.socialN notsoloud@expressional.social

                                    @nexta
                                    PS: Don't do this near light speed without changing the formula. A few other practical problems might show up too 😉

                                    menos@todon.euM This user is from outside of this forum
                                    menos@todon.euM This user is from outside of this forum
                                    menos@todon.eu
                                    schrieb zuletzt editiert von
                                    #42

                                    @notsoloud @nexta xkcd relativistic baseball
                                    You do not want to be the relativistic baseball.

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                                    • nexta@mstdn.socialN nexta@mstdn.social

                                      🤯 A visual physics lesson at 80 km/h.

                                      Enthusiasts launched a man from a moving truck in the opposite direction - at the same speed the car was traveling.

                                      The experiment spectacularly showed how relative speed works.

                                      beanface42@peculiar.floristB This user is from outside of this forum
                                      beanface42@peculiar.floristB This user is from outside of this forum
                                      beanface42@peculiar.florist
                                      schrieb zuletzt editiert von
                                      #43

                                      @nexta That’s impressive! Logical, but impressive!

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                                      • nexta@mstdn.socialN nexta@mstdn.social

                                        🤯 A visual physics lesson at 80 km/h.

                                        Enthusiasts launched a man from a moving truck in the opposite direction - at the same speed the car was traveling.

                                        The experiment spectacularly showed how relative speed works.

                                        benjohn@todon.nlB This user is from outside of this forum
                                        benjohn@todon.nlB This user is from outside of this forum
                                        benjohn@todon.nl
                                        schrieb zuletzt editiert von
                                        #44

                                        @nexta I worry that if I boost, other people might try this!

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                                        • nexta@mstdn.socialN nexta@mstdn.social

                                          🤯 A visual physics lesson at 80 km/h.

                                          Enthusiasts launched a man from a moving truck in the opposite direction - at the same speed the car was traveling.

                                          The experiment spectacularly showed how relative speed works.

                                          thomas@social.zell-mbc.comT This user is from outside of this forum
                                          thomas@social.zell-mbc.comT This user is from outside of this forum
                                          thomas@social.zell-mbc.com
                                          schrieb zuletzt editiert von
                                          #45
                                          @nexta this is really cool 😎
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