The x-component of vector r is rx = −23.2 units and its y-component is ry = 21.4 units. what is its direction? give the direction as an angle measured counterclockwise from the +x-direction.

Explanation:

Given that,

The x component of the vector R,

The y component of the vector R,              

We need to find the direction of the vector R. Let shows te direction of R such that,

Here, minus sign shows that is taken in clockwise direction.

For anticlockwise direction,

So, the vector R makes an angle of with x direction. Hence, this is the required solution.                                                    

frequency or wavelenth of em radiation in a vacuum

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