WileyPLUS FE-ECE105-ODD-answe). D finals-2nd-Qtr-2014-201 : Chegg Study! Guided

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WileyPLUS FE-ECE105-ODD-answe). D finals-2nd-Qtr-2014-201 : Chegg Study! Guided S) 6 Monochromatic light of × Secure ! https.//edugenwleyplus.com/edugen/ti/main.uni i Apps Bookmarks in MOODLE Y Math13 CANVASO wieyPLUS Course C D stashedboxes Mapua Institute of Tr Matrix Multiplication Sy umxto0Afraclc "mathlab » 'Other bookmarks assianment> Open Assignment PRINTER VERSION 4BACK NEXT ASSIGNMENT RESOURCES Question 1 HW4. Diffraction Interference & A space traveler takes off from Earth and moves at speed 0.9750c toward the star Vega, which is 26.00 ly distant. How much time will have elapsed by Earth clocks (a) when the traveler reaches vega and (b) when Earth observers receive word from the traveler that she has arrived? (c) How much older will Earth observers calculate the traveler to be (measured from her frame) when she reaches Vega than she was when she started the tip? Question- Qucshion 4 QuesbonS (a) Number (b) Number (c) Number Units Units Units Review score Revie Results By accessing this Question Assistance, you will learn while you eam points based on the Point Potential Policy set by your instructon Question Attempts: 0 of 2 used SAVE FOR LATER Earn Maximum Points available only if you answer this question correctly in your first attempt All Rights Reserved. A Division of version 4.24.1.23 Waiting for edugen.wileyplus.co 9/18/2017

Explanation / Answer

a)

time elapsed by earth clocks when traveller reaches vega is

t=d/v=26c years/0.975c =26.67 years

b)

time for signal =26 years

Total time

T=26+26.67=52.67 years

c)

to=t*sqrt[1-(v/c)2]

to=26.67*sqrt[1-0.9752]=5.925 years

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