- #1

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## Homework Statement

## Homework Equations

## The Attempt at a Solution

But as you can see, when I typed the answer on the answer column, the computer marked it as wrong. Please point out my mistake in 24 hours. Thank you.

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- Thread starter adhiluhur
- Start date

- #1

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But as you can see, when I typed the answer on the answer column, the computer marked it as wrong. Please point out my mistake in 24 hours. Thank you.

Last edited:

- #2

lewando

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What is the distance between M and O?

- #3

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What is the distance between M and O?

By simple Pythagorean theorem you can work it out to l^2 sqrt{2}

- #4

lewando

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I get something different. Since the clock is ticking, how aboutBy simple Pythagorean theorem you can work it out to l^2 sqrt{2}

[tex]l \sqrt{2}[/tex]

- #5

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I get something different. Since the clock is ticking, how about

[tex]l \sqrt{2}[/tex]

I was writing the distance squared. So basically our answer for that is same.

- #6

lewando

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Ahh.. nevermind me, I thought I saw it... standby please.

- #7

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Ahh.. nevermind me, I thought I saw it... standby please.

I think my answer is correct and the computer is wrong.

- #8

lewando

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How about your last step? The answer you gave was the common coefficient of i and j. But to get the magnitude should you not take the root of sum of the squares of these coefficients?

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- #9

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Use more sets of parentheses at the beginning.

- #10

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How about your last step? The answer you gave was the common coefficient of i and j. But to get the magnitude should you not take the root of sum of the squares of these coefficients?

Enlighten me.

- #11

Hootenanny

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What is the magnitude of the vector [itex]\boldsymbol{x} = \boldsymbol{i}+\boldsymbol{j} = [1,1]^\text{T}[/itex]?Enlighten me.

- #12

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use abs ( Constant * ( i+j) ) = Abs(Constant ) * Abs(i+j)

what is Abs ( i + j ) ?

How would you interpret it ?

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