Error and Accuracy – 1A20.00

Catch a Meter Stick – 1A20.60

Measuring stick

  • Hold a meter stick up and have a student volunteer hold his fingers beside the 50cm point.
  • Ask the student to grab the meter stick the instant he sees you drop it.
  • Drop the meter stick.
  • After the student catches the meter stick, measure the distance from the 50cm mark to the point where he caught the meter stick.
  • Convert distance to reaction time: t = square root of (2d/g).

Location: Jacobs B122 – Shelf 285