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CIRCLE WITH A DOT

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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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  • 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
      0
      • 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
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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.

              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
                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.

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

                                @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 This user is from outside of this forum
                                G This user is from outside of this forum
                                gerardthornley@hachyderm.io
                                wrote last edited by
                                #55

                                @loke @vxo @nexta I sort of assumed (hoped!) they did a lot of tests so confidence would be high for the high speed run. I must watch the full thing.
                                TBH, my first thought on seeing this clip was "that's cool! I want a go!" I wonder how long until this is an extreme sport option for visitors to New Zealand? 😏

                                loke@functional.cafeL 1 Reply Last reply
                                0
                                • G gerardthornley@hachyderm.io

                                  @loke @vxo @nexta I sort of assumed (hoped!) they did a lot of tests so confidence would be high for the high speed run. I must watch the full thing.
                                  TBH, my first thought on seeing this clip was "that's cool! I want a go!" I wonder how long until this is an extreme sport option for visitors to New Zealand? 😏

                                  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
                                  #56

                                  @GerardThornley @vxo @nexta the way he explains it in the video really makes me want to try it. As soon as you are launched everything apparently shows to a halt and then you just stand up.

                                  G 1 Reply Last reply
                                  0
                                  • stragu@mastodon.indie.hostS stragu@mastodon.indie.host

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

                                    T This user is from outside of this forum
                                    T This user is from outside of this forum
                                    tombrandis@mastodon.pub.solar
                                    wrote last edited by
                                    #57

                                    @stragu @nexta
                                    -> @prvrtl

                                    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.

                                      tanuki@neopaquita.esT This user is from outside of this forum
                                      tanuki@neopaquita.esT This user is from outside of this forum
                                      tanuki@neopaquita.es
                                      wrote last edited by
                                      #58

                                      @nexta Galilean relativity at the finest.

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

                                        @GerardThornley @vxo @nexta the way he explains it in the video really makes me want to try it. As soon as you are launched everything apparently shows to a halt and then you just stand up.

                                        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
                                        #59

                                        @vxo @nexta @loke
                                        Yeah, it must feel strange the first couple of times. The acceleration must be pretty wild – that's basically 0-50mph in about 1s.

                                        It's funny, I assumed they must have some sophisticated powered closed-loop control system to match the catapult speed with the vehicle. But, no, it's just bungee cord, dummy tests and careful driving, lol.

                                        Only thing I'd worry about is the seat repeatedly hitting the end of the track at 80kph. I hope its well constructed!

                                        vxo@digipres.clubV 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.

                                          galley@mastodon.onlineG This user is from outside of this forum
                                          galley@mastodon.onlineG This user is from outside of this forum
                                          galley@mastodon.online
                                          wrote last edited by
                                          #60

                                          @nexta Like that time in college where I was able to get a Cessna 152 to “hover” as my airspeed was slightly above stall speed and matched the speed of the headwind.

                                          1 Reply Last reply
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