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Re: Shooting to the Moon

Newsgroups sci.physics
Date 2018-06-15 08:34 -0700
References <c5189e29-39a4-4bc4-8d95-2d722af6d66c@googlegroups.com> <s8d7idt86aspg21erkpnbk34l80p8imgka@4ax.com>
Message-ID <163fede7-9385-446c-82d6-e5384aeb76ad@googlegroups.com> (permalink)
Subject Re: Shooting to the Moon
From Edward Prochak <edprochak@gmail.com>

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On Friday, June 15, 2018 at 8:55:34 AM UTC-4, Wally W. wrote:
> On Fri, 15 Jun 2018 05:20:36 -0700 (PDT), Arindam Banerjee wrote:
> 
> >To send a 400Kg object to the Moon, you need a 1Km long rail gun (of my new, low voltage design) using 25 million average amperes of current on the rails.  
> >
> >Quite doable. 
> >
> >The exit velocity should be about 55,000m/s which would mean  a lot of acceleration. What will happen if some lifeform is put in it? I don't think it will get harmed, going by the experience of the high rise lifts that use internal force linear motors for great acceleration, as opposed to the kind of pull-up external force stuff that Einstein bunglingly used to justify the notions of GR. 
> >
> >would , 
> >Arindam Banerjee 
> 
> Do you have values for:
> 1. The Mach number at your exit velocity?

This can't be right:  Mach 160?

> 2. The acceleration, assuming constant acceleration ... over a
> distance of 1 km ... from zero initial velocity?

Ed

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Thread

Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-15 05:20 -0700
  Re: Shooting to the Moon Wally W. <ww84wa@aim.com> - 2018-06-15 08:55 -0400
    Re: Shooting to the Moon Edward Prochak <edprochak@gmail.com> - 2018-06-15 08:34 -0700
      Re: Shooting to the Moon Sergio <invalid@invalid.com> - 2018-06-15 13:42 -0500
        Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-15 14:26 -0700
        Re: Shooting to the Moon benj <benj@nobody.net> - 2018-06-15 19:17 -0400
          Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-15 18:21 -0700
            Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-16 05:55 -0700
            Re: Shooting to the Moon Edward Prochak <edprochak@gmail.com> - 2018-06-17 17:04 -0700
              Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-17 18:13 -0700
                Re: Shooting to the Moon Edward Prochak <edprochak@gmail.com> - 2018-06-17 18:44 -0700
                Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-17 19:07 -0700
                Re: Shooting to the Moon Edward Prochak <edprochak@gmail.com> - 2018-06-18 13:35 -0700
                Re: Shooting to the Moon Odd Bodkin <bodkinodd@gmail.com> - 2018-06-18 21:02 +0000
                Re: Shooting to the Moon Edward Prochak <edprochak@gmail.com> - 2018-06-19 10:39 -0700
                Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-19 15:35 -0700
                Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-19 21:09 -0700
                Re: Shooting to the Moon Edward Prochak <edprochak@gmail.com> - 2018-06-20 10:49 -0700
                Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-20 16:18 -0700
                Re: Shooting to the Moon Edward Prochak <edprochak@gmail.com> - 2018-06-21 15:05 -0700
                Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-21 16:57 -0700
                Re: Shooting to the Moon Sergio <invalid@invalid.com> - 2018-06-18 16:18 -0500
                Re: Shooting to the Moon Steve Carroll <frelwizzen@gmail.com> - 2018-06-19 10:40 -0700
                Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-19 15:20 -0700
                Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-18 22:40 -0700
      Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-15 14:29 -0700
        Re: Shooting to the Moon Wally W. <ww84wa@aim.com> - 2018-06-16 11:10 -0400
          Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-16 15:13 -0700
          Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-16 19:04 -0700
            Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-16 20:05 -0700
              Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-16 21:18 -0700
              Re: Shooting to the Moon Wally W. <ww84wa@aim.com> - 2018-06-17 05:35 -0400
                Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-17 03:08 -0700
                Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-17 06:00 -0700
                Re: Shooting to the Moon Wally W. <ww84wa@aim.com> - 2018-06-17 13:28 -0400
                Re: Shooting to the Moon Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-06-17 16:15 -0700
    Re: Shooting to the Moon benj <benj@nobody.net> - 2018-06-15 11:48 -0400
  Re: Shooting to the Moon numbernumber1964@gmail.com - 2018-06-18 15:29 -0700
  Re: Shooting to the Moon numbernumber1964@gmail.com - 2018-06-19 12:21 -0700
    Re: Shooting to the Moon Odd Bodkin <bodkinodd@gmail.com> - 2018-06-19 21:47 +0000
  Re: Shooting to the Moon numbernumber1964@gmail.com - 2018-06-19 12:29 -0700
  Re: Shooting to the Moon furthermore7990662@gmail.com - 2018-06-19 16:03 -0700
  Re: Shooting to the Moon furthermore7990662@gmail.com - 2018-06-19 16:03 -0700
  Re: Shooting to the Moon carleto4157990662@gmail.com - 2018-06-19 16:05 -0700
  Re: Shooting to the Moon carleto4157990662@gmail.com - 2018-06-19 16:06 -0700

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