http://rjlibera.edublogs.org/2008/09/15/i-wish-it-had-erased-my-mind/ Another excellent Edublogs.org weblog Wed, 03 Dec 2008 04:04:55 -0500 http://wordpress.org/?v=2.8.2 hourly 1 http://rjlibera.edublogs.org/2008/09/15/i-wish-it-had-erased-my-mind/comment-page-1/#comment-3 pcfragile Tue, 16 Sep 2008 13:17:06 +0000 http://rjlibera.edublogs.org/?p=4#comment-3 Quite good! Love the comparison to the escape velocity on Earth and the line about the gun burning up in the Earth's atmosphere. One small typo - in the sentence beginning "Assuming the gunner..." I think you mean to say that the gun and gunner would have the same momentum as the bullet (not same velocity). Quite good! Love the comparison to the escape velocity on Earth and the line about the gun burning up in the Earth’s atmosphere. One small typo – in the sentence beginning “Assuming the gunner…” I think you mean to say that the gun and gunner would have the same momentum as the bullet (not same velocity).

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