Stopping distance simulation

This animation shows how the braking distance of a car is determined by the speed of the car and the road conditions.

Enter a speed from 0 – 120km/h & a reaction time from 0 to 2 seconds to calculate the stopping distance.

Choose the road conditions; dry, wet or icy to see their effect. The different conditions change the co- efficient of friction; this is a measure of how much friction there is between the tyres and the road.

[swf:https://vcephysics.com/flash/swf/stopping_distance.swf 500 450 white wmode]

Discussion questions:

  1. What is the dry road braking distance for a car travelling at 50km/h?
  2. What is the dry road braking distance for a car travelling at 100km/h?
  3. What effect does have doubling the speed have on the braking distance?
  4. What is the wet road braking distance for a car traveling at 100km/h? How much further does the car require to stop when wet?

Downloads:
Flash source file (.fla) fla
Flash (.swf) swf
Mac application (.app) mac
Windows Application (.exe) win

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