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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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  • 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

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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.

      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.

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      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.

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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.

            l_inadapte@framapiaf.orgL This user is from outside of this forum
            l_inadapte@framapiaf.orgL This user is from outside of this forum
            l_inadapte@framapiaf.org
            wrote last edited by
            #61

            @nexta
            Can you share à link of the original video please?

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            0
            • stragu@mastodon.indie.hostS stragu@mastodon.indie.host

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

              prvrtl@mastodon.onlineP This user is from outside of this forum
              prvrtl@mastodon.onlineP This user is from outside of this forum
              prvrtl@mastodon.online
              wrote last edited by
              #62

              @stragu @nexta Hey! It’s taken from telegram channel in russian, then translated into English and posted here. I don’t thing there is any source for image alt text (only AI probably but it’s expensive)

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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.

                sanityinc@hachyderm.ioS This user is from outside of this forum
                sanityinc@hachyderm.ioS This user is from outside of this forum
                sanityinc@hachyderm.io
                wrote last edited by
                #63

                @nexta my daughter likened this to the red Angry Bird

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                • G gerardthornley@hachyderm.io

                  @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 This user is from outside of this forum
                  vxo@digipres.clubV This user is from outside of this forum
                  vxo@digipres.club
                  wrote last edited by
                  #64

                  @GerardThornley @nexta @loke Hah, I don't think I've even been on a roller coaster that has that kind of acceleration. The fastest I've been on is The Hulk which launches from 0-40 mph in 2 seconds. That thing is wild, apparently they had to install a flywheel generation plant to keep it from dipping the power to the entire Orlando metro area every time it launched.

                  vxo@digipres.clubV 1 Reply Last reply
                  0
                  • vxo@digipres.clubV vxo@digipres.club

                    @GerardThornley @nexta @loke Hah, I don't think I've even been on a roller coaster that has that kind of acceleration. The fastest I've been on is The Hulk which launches from 0-40 mph in 2 seconds. That thing is wild, apparently they had to install a flywheel generation plant to keep it from dipping the power to the entire Orlando metro area every time it launched.

                    vxo@digipres.clubV This user is from outside of this forum
                    vxo@digipres.clubV This user is from outside of this forum
                    vxo@digipres.club
                    wrote last edited by
                    #65

                    @GerardThornley @nexta @loke It surprises me someone actually made them take mitigation steps - Florida Power & Light used to gleefully deal with things like a new shopping mall overloading feeders off a particular substation by cutting power to the residential customers on that sub during hot summer afternoons then shrugging their shoulders and walking away

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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.

                      endicottauthor@mastodon.socialE This user is from outside of this forum
                      endicottauthor@mastodon.socialE This user is from outside of this forum
                      endicottauthor@mastodon.social
                      wrote last edited by
                      #66

                      @nexta Very cool!

                      1 Reply Last reply
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