4 Part Calculation

  • List variables/values
  • Write equation, solve for unknown
  • Write unknown in terms of 2 known variables
  • Substitute numbers in for variables
  • Calculate numerical answers and units, significant digits are correct, and box answers

Definitions

  • Kinematics - a description of how things move
  • Reference Point - a measurement depends on where you are
  • Delta = change in something
  • Scalar (Quantity) - Magnitude only
  • Vector (Quantity) - Magnitude & Direction
  • Position (=d or =x or =y) - the distance from object to reference point