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12 questions from this quiz
Thinking distance & braking distance
Distance travelled while driver reacts
Distance travelled while slowing down
It doubles
It quadruples (4× increase)
24m
Tiredness
Worn tyres
Less grip between tyres and surface
It becomes heat through friction
KE=12mv2KE = \frac{1}{2}mv^2KE=21mv2
Kinetic energy depends on speed squared
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