acceleration

     

In physics, acceleration is efined as the rate of change of velocity, or as the second derivative of position (with respect to time). It is then a vector quantity with dimension length/time². In SI units, acceleration is measured in meters/second² (m·s-2). The term "acceleration" generally refers to the rate of change in instantaneous velocity. (velocity is speed and direction)

Trivia about acceleration

  • Velocity is measured in meaters per second; this, abbrevieated a, is meters per second squared
  • The equation f = ma means force equals mass times this
  • In Newton's equation F=ma, it's what "a" stands for
  • (Kelly of the Clue Crew shows an animated diagram on the monitor.) The distance x that a runner will cover from a standing start is given by the equation x = 1/2 at2, where t is time & a stands for this

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