How fast must a meterstick be moving if its length is measured to shrink to 0.756 m?

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How fast must a meterstick be moving if its length is measured to shrink to 0.756 m?
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asked Apr 24, 2012 in Physics by Joey33 ~Expert~ (1,216 points)
    

1 Answer

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Best answer

The formula for length contraction is as follows:

L = Lp * squareroot ( 1 - v^2 / c^2)  (* where L=observed length, Lp=proper length, v=velocity, c=speed of light)

solving for v, we get:

v = c*squareroot (1 - (L/Lp)^2)

Lp = 1 m, and L =0.756 m

plug in values into the equation and solve.

answered Apr 24, 2012 by pokemonmaster ~Expert~ (3,856 points)
selected Apr 24, 2012 by Joey33



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