Answered: Since a =3i ̂+2j ̂-k ̂ and b =i ̂+j…

Since a =3i ̂+2j ̂-k ̂ and b =i ̂+j ̂+3k ̂, what is the result of ( a - b )? A) 2i ̂+5j ̂-2k ̂ B) -3i ̂+6j ̂+1k ̂ C) 4i ̂+3j ̂+2k ̂ D) 2 E) 2i ̂+j ̂-4k ̂

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter10: Nuclear Physics

Section: Chapter Questions

Problem 78AP: A group of scientists use carbon dating to date a piece of wood to be 3 billion years old. Why...

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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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Since a =3i ̂+2j ̂-k ̂ and b =i ̂+j ̂+3k ̂, what is the result of ( a - b )?

A)	2i ̂+5j ̂-2k ̂

B)	-3i ̂+6j ̂+1k ̂

C)	4i ̂+3j ̂+2k ̂

E)	2i ̂+j ̂-4k ̂

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