Ask questions and get helpful responses.

physics

A vector has an x-component of −21.0units and a y-component of 36.5 units. Find the magnitude and direction of the vector.

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
  1. X = hor. = -21 Units.
    Y = ver. = 36.5 Units.

    tanA = y/X = 36.5 / -21 = -1.738,
    A = -60 deg. = -60 + 180 = 120 deg.,CCW.

    R = X / cosA = -21 / cos(120) = 42. @ -60 deg. = -60 + 180 = 120 deg. =CCW.

    R = (42,120deg.).

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  2. kjbkj

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

Respond to this Question

First Name

Your Response

Still need help? You can ask a new question.