Problem

The cosmic rays of highest energy are protons tha…

02:22

Problem 47 Medium Difficulty

A spaceship of proper length 300. m takes 0.75 $\mu s$ to pass an Earth observer. Determine the speed of this spaceship as measured by the Earth observer.

Answer

0.80$c$

Topics

Gravitation

Book Cover for College Physics 2017

College Physics 2017

Chapter 26

Relativity

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Top Physics 101 Mechanics Educators

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University of Winnipeg

Watch More Solved Questions in Chapter 26

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Problem 56

Video Transcript

well in earth frame of reference Delta T is equal to I'll. Divided by Really on dhe L is the contract ID length envies speed and we know they had contacted land contracted land physical to proper length. Times square root off one minus hui squared, divided by C Square, Dubai, Dubai We now let's bring in the values we have. Delta T Delta T equals zero point 75 multiplied by 10 to the power minus six. Uh is equal to We have proper length. Well, proper land is 300 multiplied by square root off one minus we divided by well, speed of light is three. Multiply by 10 to the power eight. We have square divided by we well, solving for weed We have musical to zero point. It's Seattle Times the speed of light

Zulfiqar A.

Topics

Gravitation

Book Cover for College Physics 2017

College Physics 2017

Chapter 26

Relativity

Top Physics 101 Mechanics Educators

LB

Liev B.

Numerade Educator

Farnaz M.

Other Schools

Zachary M.

Hope College

Jared E.

University of Winnipeg