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Taking Cyrano to the moon

Page history last edited by Joe Redish 2 years, 11 months ago

4.3.1.P1

 

In Edmund Rostand's famous play, Cyrano de Bergerac, Cyrano, in an attempt to distract a suitor from visiting Roxanne, claims to have descended to earth from the moon, and proclaims to have invented 6 novel and fantastical methods for traveling to the moon. One is as follows.

 

Sitting on an iron platform--thence To throw a magnet in the air. This is  a method well conceived--the magnet flown, Infallibly the iron will pursue: Then quick! relaunch your magnet, and you thus Can mount and mount unmeasured distances! *

 

In an old cartoon, there is another version of this method. A character in the Old West is on a hand-pumped two-person rail car. After getting tired of pumping the handle up and down to make the car move along the rails, he takes out a magnet and holds it in front of the cart hanging from a fishing pole. The magnet pulls the cart towards it, which pushes the magnet forward, which... so the cart just moves forward continuously. See the figure at the right.  

 

What do you think of these methods? Can some version of them work? Discuss in terms of the physics you have learned.

 

*Translated from the French by Gladys Thomas and Mary F. Guillemard, etext prepared by Sue Asscher, distributed by Project Gutenberg

 

Joe Redish 10/31/07

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