PHYS 121 Lecture Notes - Lecture 20: Electric Field, Poynting Vector

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silvertermite629

3 Jul 2018

School

Simon Fraser University

Department

Physics

Course

PHYS 121

Professor

Michael Chen

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Notes

July 2, 2018

9:07 PM

20. Properties of Electromagnetic Waves Page 1

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Related Questions

At 1.00 PM, Mary ( on a rocket moving past the earth) records anearth-bound stationary observer as having length L1. At 2.00 PM ,Mary (still on the rocket ) notes this observer to have length L 2< L1. At 2.PM,this earth-bound observer "sees" the mass of therocket to be ( ) than it seemed to be at 1.00 PM?

(A) greater
(b) less
(c) the same
(d) more information is needed

At 1.00 PM, Mary (on a rocket moving past the earth) records anearth- bound stationary observer as having length L1. At 2.00 PM,Mary (still on the rocket) notes this observer to have L2 < L1.At 2.00 PM, this earth -bound observer (sees) the mass of therocket to be ( ) than it seemed to be at 1.00 PM

(A) greater
(b) less
(c) the same
(d) more information is needed

Q#3

At 1.00 PM, Mary (on a rocket moving past the earth)records anearth - bound stationary observer as having lenght L 1.At 2.00PM,Mary(still on the rocket) notes this observer to havelenghtL2< L1. At 2.00 PM, this earth-bound observer"sees" the mass ofthe rocket tobe( )than itseemed to be at 1.00PM

(a)greater

(b) less

((c) the same

(d) more information is needed

PHYS 121 Lecture Notes - Lecture 20: Electric Field, Poynting Vector

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