6 comments for “Speed quiz

  1. January 12, 2010 at 18:04

    Live and learn. I didn’t realise that free fallers could move so fast. Didn’t know about Helios either

  2. MTG
    January 12, 2010 at 18:50

    Actually, all these speeds are unknown in absolute terms because we can only measure some notion of motion.

  3. January 12, 2010 at 18:52

    Jams – I didn’t know about any of them.

    MTG – notion of motion – like that.

  4. ¡Z!
    January 12, 2010 at 19:08

    How fast does lava flow?
    Posted on March 21, 2008 by cosmicbob
    The answer to your question depends on the composition of the lava and the slope it is going down.

    Try jumping off a Cliff. Love is free.

    Those that can’t – sink.

    Don’t watch much TV do ya?

    Aerospaceweb.org | Ask Us – Fastest Manmade Object
    The Helios, which holds the record for fastest manmade object, … Doesn’t the Pluto New Horizons spacecraft now own the fastest manmade object record? …
    http://www.aerospaceweb.org/question/spacecraft/q0109c.shtml

  5. ¡Z!
    January 12, 2010 at 19:09

    5 minutes to answer all. Anythig else?

    🙂

    Have a nice day…..

  6. January 12, 2010 at 21:52

    Fascinating stuff! For once I don’t feel bad about not know the answers 😉

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