Posted by **Emme** on Monday, January 21, 2013 at 9:45pm.

The algebraic relation d= 0.0056s2 +0.14s models the relation between a vehicle's stopping distance d, in metres and its speed s, in km/h.

a) What is the fastest you could drive and still be able to stop within 80m?

b) What is the stopping distance for a car traveling at 120 km/h?

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