Question

You are given a vector in the xy plane that has a magnitude of 80.0 units...

You are given a vector in the xy plane that has a magnitude of 80.0 units and a y component of

-57.0 units.

What are the two possibilities for its x component? answers using three significant figures separated by a comma.

Assuming the x component is known to be positive, specify the magnitude of the vector which, if you add it to the original one, would give a resultant vector that is 80.0 units long and points entirely in the ?x direction.

Specify the direction of the vector.

Express your answer using three significant figures.

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Homework Answers

Answer #1

direction of the vector R' is

given by tan = 57/136.13

or, = 22.72 degree above -x-axis

And above +x-axis, direction of the vector is

= 180 - = 157.28 degree

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