Skid distance formula
Skid distance formula
Secondary 2
6 marks
TGM Original Questions
Optional extension
A skid length is modelled by \(s=kv^2\), where \(s\) is metres and \(v\) is km/h.
- A car skids \(18\) m at \(60\) km/h; find \(k\).[2]
- Find the skid at \(100\) km/h.[2]
- Find the speed for a \(32\) m skid.[2]
Solution:
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Answer:(i) \(k=\dfrac1{200}\) (ii) \(50\) m (iii) \(80\) km/h.
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