A-LevelPhysicsKinematicsOct/Nov 2009Paper 1 Q41 Mark
On a particular railway, a train driver applies the brake of the train at a yellow signal, a distance of 1.0 km from a red signal, where it stops. The maximum deceleration of the train is 0.2 m s⁻². Assuming uniform deceleration, what is the maximum safe speed of the train at the yellow signal?
A20 m s⁻¹
B40 m s⁻¹
C200 m s⁻¹
D400 m s⁻¹
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The correct answer is A. This question tests the candidate's understanding of kinematics within the Physicssyllabus. The examiner's mark scheme requires...
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