BBC Learning Zone Clips

CLIP 24

Calculating average speed

Calculating average speed
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Key Info
  • Calculating average speed
  • Duration: 01:36
  • The presenter times how long it takes to skate along a 10m path. She does this three times, each time starting slightly higher up a ramp. Her average speed, which is the distance divided by the time taken, increases each time she starts at a higher point on the ramp. The speed increases from 2 m/s to 5 m/s.
  • Subject:

    Science

       Topic:

    Phys: Forces - Motion

  • Keywords: calculation, linear motion, speed, average speed, acceleration
Ideas for use in class
  • Reinforcement of key ideas. Plus calculation possibilities.
Background details
  • Clip language : English
  • Aspect ratio : 4x3

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