Homework Help: physics question

Posted by ronnette on Sunday, March 4, 2012 at 7:21pm.

1) Let's continue to investigate your space vacation from last week. Your spaceship, which has a proper length of 300 m, passes near a space platform while you are moving at a relative speed of 86% the speed of light (so v=0.86*c). What is the length of the spaceship when measured by someone on the space platform?

Equation for length contraction
L = L' * √ (1 - v2/c2)
Where:
L = The length of the spaceship as seen by the observer
L' = The proper length of the spaceship
v = The velocity of the spaceship
c = The speed of light.

physics question - drwls, Sunday, March 4, 2012 at 8:39pm
You have already answered the question. Use the length contraction formula.

L = L' * Бу (1 - v^2/c^2)
= L'* sqrt(0.2604)
= 0.51 L'

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