O-LevelAdditional MathematicsDifferentiation and integrationMay/June 2020Paper 2 Q97 Marks
A particle travels in a straight line. As it passes through a fixed point O, the particle is travelling at a velocity of 3 ms⁻¹. The particle continues at this velocity for 60 seconds then decelerates at a constant rate for 15 seconds to a velocity of 1.6ms⁻¹. The particle then decelerates again at a constant rate for 5 seconds to reach point A, where it stops.
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