Recent content by LadyTwi

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    Calculate the centre of mass of the object shown below

    All right, I got both answers. Thanks!
  2. L

    Calculate the centre of mass of the object shown below

    I have a few questions that are driving me nuts. First: Calculate the centre of mass of the object shown below. Assume that the mass density is uniform. Place the origin, O, at the lower left. If the positive x-axis points to the right along the page, what is the x coordinate of the centre of...
  3. L

    Pullies, masses, and acceleration

    Sorry for the double post, but this question is due in 17 minutes and I'd really like some help. Thanks!
  4. L

    Pullies, masses, and acceleration

    Homework Statement Answer True, False, or Cannot tell to each of the four statements below. A) If m1 > m2 in the diagram below, then |a2| = g. http://www.learning.physics.dal.ca/dalphysicslib/Graphics/Gtype09/pulley02.2.gif" B) In the diagram below, a1y = a2y...
  5. L

    Finding distance using vector components

    Thank you! I have the answer now. =D
  6. L

    Finding distance using vector components

    I've tried that but BLS/CAPA is still telling me that my answer is wrong. Maybe I'm entering it wrong...?
  7. L

    Finding distance using vector components

    That is a helpful link, however I still can't get the answer. XD Do I have to find the angle between r1 and r2 and use that to find the distance or does it have to do with the addition of the i hat components and the j hat components?
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    Finding distance using vector components

    Homework Statement With reference to Fig. 3 (not accurate), where the origin is at the centre of the image, if r1 = (0.10)î+(-0.80)j hat, and r2 = (-0.90)î+(0.10)j hat, what is the distance between the dots? Homework Equations Unsure. The Attempt at a Solution I'm not so good with these...
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