4. The length of the object is properly reported asdmA. 2.1 dm ± 0.05 dmB. 2.1 dm + 0.050 dmC. 2.10 dm ± 0.5 dmD. 2.10 dm ± 0.05 dmO E. 2.10 dm ± 0.50 dm

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4. The length of the object is properly reported as

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 2P: Light travels at a speed of about 3 103 m/s. (a) How many miles down a pulse of light travel in a...

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Concept explainers

Proper Length

The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot move faster than light. The most crucial postulate of Einstein's special relativity is that the laws of nature do not change in each frame of reference.

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4. The length of the object is properly reported as
dm
A. 2.1 dm ± 0.05 dm
B. 2.1 dm + 0.050 dm
C. 2.10 dm ± 0.5 dm
D. 2.10 dm ± 0.05 dm
O E. 2.10 dm ± 0.50 dm

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