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Chapter 9: Vector (page 603)

In Problems 45, find each quantity if v = 3i-5jand w = -2i+3j.

45. |v| - |w|

Short Answer

Expert verified

Answer is 2.22

Step by step solution

01

- Given information

V = 3i-5j and W = -2i+3j

02

- To find

1. Mod of V

2. Mod of W

3. Substract mod of W from mod of V.

03

- Solution part 1

V=3i-5j=(32)+(52)=(9)+(25)=(34)=5.83

04

- Solution part 2

W=-2i+3j=(22)+(32)=(4)+(9)=13=3.60

05

- Solution part 3

V-W=5.83-3.60=2.22

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