AS Physics Vector Help

When finding the magnitude and direction of two perpendicular vector how do write the direction. For example when adding 2 perpendicular vectors a and b. If the direction is 60 degrees and close to vector a and the magnitude is c, how do you write the magnitude and direction in a sentence.

Reply 1

TSR Jessica

19

Sorry you've not had any responses about this. :frown:

Are you sure you've posted in the right place? :smile:

Here's a link to our subject forum which should help get you more responses if you post there. :redface:

Just quoting in Fox Corner so she can move the thread if needed :wizard:

Spoiler

Reply 2

Fox Corner

21

put this in the physics forum for you

Reply 3

SirRaza97

7

Original post by TheAdviser

When finding the magnitude and direction of two perpendicular vector how do write the direction. For example when adding 2 perpendicular vectors a and b. If the direction is 60 degrees and close to vector a and the magnitude is c, how do you write the magnitude and direction in a sentence.

Do you have a diagram or question to show? Your question is a bit jumbled

Original post by TheAdviser

When finding the magnitude and direction of two perpendicular vector how do write the direction. For example when adding 2 perpendicular vectors a and b.

The magnitude can be computed using the Pythagorean theorem.

|\vec{c}| = \sqrt{|\vec{a}|^2 + |\vec{b}|^2 }

I believe for the direction, you can write the resultant vector c is

.... ^{\circ}

from vector a.

Original post by TheAdviser

If the direction is 60 degrees and close to vector a and the magnitude is c, how do you write the magnitude and direction in a sentence.

The magnitude is the length of the resultant vector c - measure it or compute it using sine or cosine rule.

The direction of the resultant vector c is

.... ^{\circ}

from vector a.

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