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what is the formula of length in physics. L L01 v2 c2 L L 0 1 v 2 c 2 If we measure the length of anything moving relative to our frame we find its length L to be smaller than the proper length L0 that would be measured if the object were stationary. The observed length is always shorter than the proper length.
Start studying Ultrasound Physics Review. IMA Effort distance resistance distance length of incline height of incline For example if the IMA of a ramp is equal to 4 length is four times as long as the height then under ideal conditions no friction we can use one-fourth the weight of the object as effort when pushing it up the ramp as long as we go four times as far. This effect is called length contraction.
This complication ensures that you get the same result for the length contraction as in the original calculation.
The amount of contraction can be calculated from the Lorentz transformation. Start studying Ultrasound Physics Review. The observed length is always shorter than the proper length. The smallest marking is usually 01 cm.