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unknownskywalker: Physicst Proves That R2D2 Is Lighter Than Styrofoam A physicist carefully examined the way R2D2 flies in Attack of the Clones, and has come to a startling discovery. Examining the thrust of R2’s flight, then adding in gravity and resistance, he discerned that R2’s mass is 100 grams. Rhett Alain, a physicist at Southeastern Louisiana University, first turns R2’s flight into a free body diagram, pictured here. Then he solves for F-thrust, assuming Earth gravity and some atmospheric resistance (you can see all his equations here). Then he reaches the fun part, which is figuring out R2’s mass. [io9] Read article »
 Via The Dark Side of the Force Zoom

unknownskywalker:

Physicst Proves That R2D2 Is Lighter Than Styrofoam

A physicist carefully examined the way R2D2 flies in Attack of the Clones, and has come to a startling discovery. Examining the thrust of R2’s flight, then adding in gravity and resistance, he discerned that R2’s mass is 100 grams.

Rhett Alain, a physicist at Southeastern Louisiana University, first turns R2’s flight into a free body diagram, pictured here. Then he solves for F-thrust, assuming Earth gravity and some atmospheric resistance (you can see all his equations here). Then he reaches the fun part, which is figuring out R2’s mass. [io9]

Read article »

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    ¿Cuánto pesa R2D2? Pues parece que debería pesar menos que el poliestireno extruido o XPS, una espuma plástica producida...
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    i need to change my undies now… this is too amazing :o
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    relevant to my interests.
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