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(Solved): 5. Find the modulus of each of the following vectors: (a) r=7i+3j (b) r=17i (c) r=2i3j (d) r= ...

$5. Find the modulus of each of the following vectors: (a) \( \mathbf{r}=7 \mathbf{i}+3 \mathbf{j} \) (b) \( \mathbf{r}=17 \ma$

5. Find the modulus of each of the following vectors: (a)

r = 7 i + 3 j

(b)

r = 17 i

(c)

r = 2 i - 3 j

(d)

r = - 3j

(e)

r = ai + b

(f)

r = ai - b

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Expert Answer

5. The given vectors

a)
if    then the modulus is

The length of the vector is the square root of the quantity of the    coordinate squared plus the    coordinate squared.


Evaluate the square root.


The result can be shown in multiple forms.
Exact Form:

Decimal Form:

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