Question
P6.SP.TL.18012288-A1
Christopher and Tommy were planning to run on a circular track with a circumference of 900 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. Christopher completed a full round in 90 s. Tommy completed a full round in 60 s.
  1. How long would it take for Tommy to overtake Christopher for the first time?
  2. How far was Tommy ahead of Christopher after 15 s?
4 m
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Primary 6 SPEED P6.SP.TL.18012288

01 Jul 2024, 08:20 PM

Christopher and Tommy were planning to run on a circular track with a circumference of 900 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. Christopher completed a full round in 90 s. Tommy completed a full round in 60 s.
  1. How long would it take for Tommy to overtake Christopher for the first time?
  2. How far was Tommy ahead of Christopher after 15 s?
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