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The the x and y vector velocity components of a moving object are given as vy = 6.5 m/s and vx = –3.1 m/s. Calculate the resultant velocity and direction.

Respuesta :

In this kind of vector additions, we use Pythagorean theorem, which is √(Vx² + Vy²)

If we use it, the velocity is found to be √(-3.1² + 6.5²) ≅ 7.20 m/s

And when it comes to the direction, I want you to think of coordinate system and a compass. X coordinate is negative and Y coordinate is positive. The direction is northwest (not strictly).

If you think anything is wrong, or you have anything that you do not understand, please let me know. I am sorry for my bad English by the way ^^

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