Skid distance formula

Skid distance formula

Secondary 2
TGM Original Questions

A skid length is modelled by \(s=kv^2\), where \(s\) is metres and \(v\) is km/h.

  1. A car skids \(18\) m at \(60\) km/h; find \(k\).
  2. Find the skid at \(100\) km/h.
  3. Find the speed for a \(32\) m skid.

Solution:

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Answer:(i) \(k=\frac1{200}\); (ii) \(50\) m; (iii) \(80\) km/h.

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