nahbear2001 nahbear2001

15-05-2020
Mathematics

contestada

Two forces are acting on an object at the same point. Determine the angle between the two forces. (-2,7) and (3,-1)

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1973955139 1973955139

15-05-2020

The answer is 56 degree

Answer Link

3331354 3331354

04-03-2021

Answer:

It is 124 degrees.

Step-by-step explanation:

You square each coordinate like this:

sqrt(x^2+y^2 )

You will end up getting sqrt(53 and sqrt(10.

Then find the dot product which is -6+-7=-13.

Then cos^-1(-13/sqrt53*sqrt10)

=124 degrees

Answer Link

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