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Chapter 9: Q. 35 (page 603)

In Problem, find v

v=3i-4j

Short Answer

Expert verified

The magnitude of vector v,v=5

Step by step solution

01

Step1. Given information

We know that if v=ai+bj

then the magnitude of v,v=a2+b2

02

Step2.calculating the v 

v=3i+4j

compare a and b with 3 and 4

Thus,v=32+42v=9+16v=25v=5

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