Mathematics (AS & A Level) · May / June 2025 · Paper 43 · Question 3
9709
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5 0 20 40 T v (m s–1) t (s) 0 50 The diagram shows a velocity-time graph which models the motion of a particle. The graph consists of 3 straight line segments. The velocity of the particle at time t s after passing a fixed point O is ms v 1 - . The particle leaves O with a velocity of ms 5 1 - and accelerates at . ms 0 75 2 - for 20 s. The particle then decelerates for the next 30 s. At t 0 4 = , the velocity of the particle is zero. After t 0 4 = , the particle starts to travel back to O, coming to rest at O at time T s.
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3(a)[5]
3(b)[2]
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