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A neutron lives 900 s when at rest relative to an observer. How fast is the neutron moving relative to an observer who measures its life span to be 2065 s?

$v=0.900 c$

Physics 103

Chapter 28

Special Relativity

Relativity

Cornell University

Rutgers, The State University of New Jersey

University of Michigan - Ann Arbor

Simon Fraser University

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the life of you formally interest? Well, it related to an observer. The proper time didn't to t not. It's equal to 900 seconds and delta t the life of the neutron. When measured in the laboratory, Delta T is equal to 2000 and 65 seconds. 65 seconds and from time dilation, we know they delta t delta T, which is dilated. Time is equal to Delta t not divided by square Rudolph one minus We divided by C All square. Uh, no lips saw this a little bit since we need to find out v solving. For we we have weed is equal to see time sees the speed of light. See Time's square root off one minus delta t not divided by dumped a t hold square and the is equal to R C Times square root off one minus Well, Delta t noughties 900 seconds divided by and delta T is a 2000 and 65 seconds and we have screen as well. Simply find this we have. We is equal to zero point mine 00 times the speed of light

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