Recent content by ughschool

  1. U

    Finding coefficient of kinetic friction on a 30° ramp with known acceleration

    i think its -
  2. U

    Finding coefficient of kinetic friction on a 30° ramp with known acceleration

    ahhhhhhh is it + or -?
  3. U

    Finding coefficient of kinetic friction on a 30° ramp with known acceleration

    ugh wait no sorry gsinθ-a/gcosθ=uk?
  4. U

    Finding coefficient of kinetic friction on a 30° ramp with known acceleration

    gsinθ-a/-gcosθ=uk?
  5. U

    Finding coefficient of kinetic friction on a 30° ramp with known acceleration

    gsinθ + μkgcosθ = a?
  6. U

    Finding coefficient of kinetic friction on a 30° ramp with known acceleration

    maybe?
  7. U

    Finding coefficient of kinetic friction on a 30° ramp with known acceleration

    wait no negative
  8. U

    Finding coefficient of kinetic friction on a 30° ramp with known acceleration

    -cosθ x m x a / sinθ = Uk?
  9. U

    Finding coefficient of kinetic friction on a 30° ramp with known acceleration

    -(m x 9.81 cosθ)?
  10. U

    Finding coefficient of kinetic friction on a 30° ramp with known acceleration

    -(m x 9.81 sinθ) + ((m x 9.81 sinθ) x Uk)=-(m X a) sooooo Uk=-ma?
  11. U

    Finding coefficient of kinetic friction on a 30° ramp with known acceleration

    Fk=Uk x (m x 9.81 sinθ) and -weight + friction= - resultant im not sure what combines those?
  12. U

    Finding coefficient of kinetic friction on a 30° ramp with known acceleration

    so weight and friction so -weight + friction= -resultant
  13. U

    Finding coefficient of kinetic friction on a 30° ramp with known acceleration

    which forces are you talking about?
  14. U

    Finding coefficient of kinetic friction on a 30° ramp with known acceleration

    a negative resultant
  15. U

    Finding coefficient of kinetic friction on a 30° ramp with known acceleration

    add them together?
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