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The double ladder paradox 
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#1
Feb1612, 06:07 PM

P: 1,011

Figure 4: Scenario in the garage frame: a length contracted ladder entering and exiting the garage Figure 5: Scenario in the ladder frame: a length contracted garage passing over the ladder Something's amiss. How, in the last diagram, does the second ladder (the one faster than garage) spend LESS time inside the garage so that (unlike as depicted in the last diagram) the faster ladder doesn't hit the doors of the garage. 


#2
Feb1612, 06:49 PM

Sci Advisor
PF Gold
P: 1,847

In Fig 5 you have both ladders entering simultaneously. That's incompatible with them entering simultaneously in Fig 4. (Ditto exiting.)



#3
Feb1612, 07:40 PM

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