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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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  • pvanheus@mstdn.scienceP pvanheus@mstdn.science

    @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
    wrote last edited by
    #35

    @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).

    1 Reply Last reply
    0
    • 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":

      Link Preview Image
      North American A-5 Vigilante - Wikipedia

      favicon

      (en.wikipedia.org)

      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
      wrote last edited by
      #36

      @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.

      1 Reply Last reply
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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
        wrote last edited by
        #37

        @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
          wrote last edited by
          #38

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

          teflontrout@beige.partyT 1 Reply Last reply
          0
          • 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
            wrote last edited by
            #39

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

            1 Reply Last reply
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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
              wrote last edited by
              #40

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

              1 Reply Last reply
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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
                wrote last edited by
                #41
                @nexta this is really cool 😎
                1 Reply Last reply
                0
                • 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.

                  beeftacos@famichiki.jpB This user is from outside of this forum
                  beeftacos@famichiki.jpB This user is from outside of this forum
                  beeftacos@famichiki.jp
                  wrote last edited by
                  #42

                  @nexta

                  Brave man! (even if the physics is correct, you have to trust the machine to work correctly, haha)

                  1 Reply Last reply
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                  • vxo@digipres.clubV vxo@digipres.club

                    @nexta
                    I feel like I'd want to have full motorcycle safety gear just in case the velocity didn't match and you wound up unceremoniously yeeted into a slide

                    loke@functional.cafeL This user is from outside of this forum
                    loke@functional.cafeL This user is from outside of this forum
                    loke@functional.cafe
                    wrote last edited by
                    #43

                    @vxo @nexta in the video they explain that they do indeed wear that.

                    He was wearing it after people commented on their lack of safety great in earlier videos.

                    lienrag@mastodon.tedomum.netL G 2 Replies Last reply
                    0
                    • 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.

                      f4grx@chaos.socialF This user is from outside of this forum
                      f4grx@chaos.socialF This user is from outside of this forum
                      f4grx@chaos.social
                      wrote last edited by
                      #44

                      @nexta so this vid is actually interesting?

                      1 Reply Last reply
                      0
                      • loke@functional.cafeL loke@functional.cafe

                        @vxo @nexta in the video they explain that they do indeed wear that.

                        He was wearing it after people commented on their lack of safety great in earlier videos.

                        lienrag@mastodon.tedomum.netL This user is from outside of this forum
                        lienrag@mastodon.tedomum.netL This user is from outside of this forum
                        lienrag@mastodon.tedomum.net
                        wrote last edited by
                        #45

                        @loke @vxo @nexta

                        Indeed.
                        This video shows great faith in physics, which is rational, but also in engineering, which may be less so...

                        1 Reply Last reply
                        0
                        • 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.

                          fuzzygroup@ruby.socialF This user is from outside of this forum
                          fuzzygroup@ruby.socialF This user is from outside of this forum
                          fuzzygroup@ruby.social
                          wrote last edited by
                          #46

                          @nexta It reminds me very much of the classic pendulum experiments where a person releases a pendulum on a long arc and it never hits them because ... pendulum.

                          snaggen@mastodonsweden.seS 1 Reply Last reply
                          0
                          • 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.

                            compfu@mograph.socialC This user is from outside of this forum
                            compfu@mograph.socialC This user is from outside of this forum
                            compfu@mograph.social
                            wrote last edited by
                            #47

                            @nexta @steter The guy pulling the lever probably was like „whelp, just killed a guy“.

                            1 Reply Last reply
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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.

                              obesespacelizard@wobbl.xyzO This user is from outside of this forum
                              obesespacelizard@wobbl.xyzO This user is from outside of this forum
                              obesespacelizard@wobbl.xyz
                              wrote last edited by
                              #48

                              @nexta I bet that would be a wild ride, though I would still find a way to bust my butt.

                              1 Reply Last reply
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                              • gikiski@social.lolG gikiski@social.lol

                                @nexta this marks the end of bus stops.

                                1000millimeter@chaos.social1 This user is from outside of this forum
                                1000millimeter@chaos.social1 This user is from outside of this forum
                                1000millimeter@chaos.social
                                wrote last edited by
                                #49

                                @gikiski @nexta 😂

                                1 Reply Last reply
                                0
                                • loke@functional.cafeL loke@functional.cafe

                                  @vxo @nexta in the video they explain that they do indeed wear that.

                                  He was wearing it after people commented on their lack of safety great in earlier videos.

                                  G This user is from outside of this forum
                                  G This user is from outside of this forum
                                  gerardthornley@hachyderm.io
                                  wrote last edited by
                                  #50

                                  @loke @vxo @nexta I wonder if that's also the reason for facing rearward in that curled position? It seems like quite a good one to avoid broken legs. Of course, if he was fired too fast...

                                  loke@functional.cafeL 1 Reply Last reply
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                                  • chuckmcmanis@chaos.socialC chuckmcmanis@chaos.social

                                    @nexta That's why if you run to the back of the plane really really fast you drop out of the sky. 😆 As a kid, the cartoon pink panther had this thing where he would step out of the house just before it hit the ground and I spent like half a day figuring out if that would work or not, only to realize it WOULD work if he jumped up at exactly the speed the house was falling when it hit the ground. Alas such a jump was not feasible.

                                    G This user is from outside of this forum
                                    G This user is from outside of this forum
                                    gerardthornley@hachyderm.io
                                    wrote last edited by
                                    #51

                                    @ChuckMcManis @nexta yeah, there's stuff about falling lift/elevator cars and jumping before they hit the ground. Unfortunately, if you're in freefall, you can't jump. Of course, that's besides problems of predicting impact and the car collapsing.

                                    1 Reply Last reply
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                                    • menos@todon.euM menos@todon.eu

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

                                      teflontrout@beige.partyT This user is from outside of this forum
                                      teflontrout@beige.partyT This user is from outside of this forum
                                      teflontrout@beige.party
                                      wrote last edited by
                                      #52

                                      @menos @notsoloud @nexta

                                      You don't want to be on the same planet as the relatavistic baseball

                                      1 Reply Last reply
                                      0
                                      • fuzzygroup@ruby.socialF fuzzygroup@ruby.social

                                        @nexta It reminds me very much of the classic pendulum experiments where a person releases a pendulum on a long arc and it never hits them because ... pendulum.

                                        snaggen@mastodonsweden.seS This user is from outside of this forum
                                        snaggen@mastodonsweden.seS This user is from outside of this forum
                                        snaggen@mastodonsweden.se
                                        wrote last edited by
                                        #53

                                        @fuzzygroup @nexta
                                        well... if you do not move is an important parameter...

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                                        • G gerardthornley@hachyderm.io

                                          @loke @vxo @nexta I wonder if that's also the reason for facing rearward in that curled position? It seems like quite a good one to avoid broken legs. Of course, if he was fired too fast...

                                          loke@functional.cafeL This user is from outside of this forum
                                          loke@functional.cafeL This user is from outside of this forum
                                          loke@functional.cafe
                                          wrote last edited by
                                          #54

                                          @GerardThornley @vxo @nexta yes. In that position, if you simply straighten your body you'll be standing up. The entire video is quite interesting. They work themselves up from slow speeds until they get to 80 km/h.

                                          G 1 Reply Last reply
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