Recent content by Loupster

  1. L

    Implicit Differentiation and product rule

    Hi, So, I am reviewing Cal III, and I have come across something that I do not understand regarding implicit differentiation with partial derivatives: x^3 + y^3 + z^3 + 6xyz = 1 implicit differentiation of z with respect to x: 3x^2 + 3z^2(dz/dx) + 6yz + 6xy(dz/dx) = 0 *notive the...
  2. L

    How Does Friction Affect the Motion of a Mass Colliding with a Spring?

    This does help! Thank you! However, I am stuck again. . . After seeing that the energy is conserved on the compression and the extension, I thought to make this equation: K = U + int( F(k) ) I thought that taking the integral of the force of friction would give me the energy that is expended...
  3. L

    How Does Friction Affect the Motion of a Mass Colliding with a Spring?

    [b]1. A 2 kg mass slides along a horizontal surface with coefficient of friction U(K) = 0.30. The mass has a speed of 1.3 m/s when it strikes the horizontal spring with constant k=120 N/m. (a) By what distance does it compress the spring(take friction into account). The spring will recoil and...
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