LUDO › Simulations › Rest and Motion: Kinematics

Lamp Post

Walk away from a street lamp. How fast does the tip of your shadow move? Faster than you do.

Physics · Class 11 · Shadow speed under a lamp · 6 simulations. For JEE, NEET and your boards.

A picture of the Lamp Post simulation

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What you'll learn

  1. Chase your shadow: Similar triangles make the shadow
  2. Growing shadow: Length = tip minus feet
  3. Walking back to the lamp: Keep the sign
  4. Shadow on the wall: A shadow that does not speed up
  5. How tall is the lamp?: Working back to the lamp
  6. Send the tip to a friend: Where the tip starts