# physics

posted by .

The x component of a certain vector is -86.0 units and the y component is +75.0 units.

The magnitude of the vector is 114 m.

What is the angle between the direction of the vector and the positive direction of x? Use the convention that positive angles are measured counterclockwise from the +x axis and negative angles are measured clockwise from the +x axis.

• physics -

Given: x = -86, y = 75.

tanA = 75/-86 = -0.8721,
A = -41.09 deg.
-41.09 is in 4th quad., but our vectors are in 2nd quad. so we add 180
deg:

-41.09 + 180 = 138.9 deg.

## Respond to this Question

 First Name School Subject Your Answer

## Similar Questions

1. ### Physics

The x component of vector A is -25 m and the y component is 40m a) what is the magnitude of vector A b)What is the angle between the direction of vector A and the positive direction of x?
2. ### physics

The x-component of vector A is -25.0 m and the y-component is +40.0 m. a) what is the magnitude of vector A?
3. ### physics

Vector vector A has a magnitude of 6.90 units and makes an angle of 46.5° with the positive x-axis. Vector vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. Using graphical methods find the following. …
4. ### physics honors

You are given a vector in the xy plane that has a magnitude of 100.0 units and a y component of -50.0 units (b) Assuming the x component is known to be positive, specify the vector which, if you add it to the original one would give …
5. ### physics

You are given a vector in the xy plane that has a magnitude of 84.0 units and a y component of -49.0 units. Assuming the x component is known to be positive, specify the vector V which, if you add it to the original one, would give …
6. ### Physics

A vector has an x component of -23.0 units and a y component of 27.0 units. Find the magnitude and direction of the vector. ?
7. ### physics

You are given a vector in the xy plane that has a magnitude of 94.0 units and a y component of -44.0 units. A. What are the two possibilities for its component?
8. ### Physics

Let vector A = 4i^ + 4j^, vector B = -2i^ - 5j^, and vector F = vector A - 5(vector B). a) Write vector F in component form. vector F = ?
9. ### Physics

Let vector A = 4i^ + 4j^, vector B = -2i^ - 5j^, and vector F = vector A - 5(vector B). a) Write vector F in component form. vector F = ?
10. ### physics

Which of the following statements is a true statement?

More Similar Questions