Physics · Oct / Nov 2022 · Paper 11 · Question 3
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A car of mass 1000 kg is travelling down a steep hill. The brakes fail and the driver uses a horizontal sand-filled safety road to stop the car. The car enters the sand at a speed of 10 m / s and experiences a constant stopping force of 2500 N. How far does the car travel in the sand before coming to rest?
- A2.0 m
- B4.0 m
- C20 m
- D40 m
As printed in the paper
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Correct answer: C. 20 m
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