Recent content by XSethX

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    B Gravitation with multiple objects by using center of mass

    Oh, I understand now. Thank you!
  2. X

    B Gravitation with multiple objects by using center of mass

    Yeah, that's how I got the right answer. I was just curious about why using center of mass didn't work. Thanks, though!
  3. X

    B Gravitation with multiple objects by using center of mass

    I didn't forget, I just calculated that after and added to the number I found. Both times I tried to solve the problem, that value was the same, so I figured my error was with using the center of mass for the bottom left and top right spheres. Thanks!
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    B Gravitation with multiple objects by using center of mass

    Four 9.5 kg spheres are located at the corners of a square of side .60 m. Calculate the magnitude and direction of the total gravitational force exerted on one sphere by the other three. So, essentially my question is, why can I not use center of mass of the other 3 spheres to calculate the...
  5. X

    Linear Momentum and Acceleration

    Homework Statement If acceleration is not equal to 0, then which of the following must not be able to stay constant? I: Speed II: Linear Momentum III: Kinetic Energy (Select any 1, 2, or all of the above, or all of the above) Homework Equations KE = (1/2)mv^2 P = mv The Attempt at a Solution...
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