Question
P6.SP.TL.18012288-A1
Claire and Jack were planning to run on a circular track with a circumference of 400 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. Claire completed a full round in 80 s. Jack completed a full round in 40 s.
  1. How long would it take for Jack to overtake Claire for the first time?
  2. How far was Jack ahead of Claire after 10 s?
4 m
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Primary 6 SPEED P6.SP.TL.18012288

07 May 2024, 02:42 AM

Claire and Jack were planning to run on a circular track with a circumference of 400 m. Both of them started jogging together at the same start point and moved round the track in a clockwise direction at uniform speeds. Claire completed a full round in 80 s. Jack completed a full round in 40 s.
  1. How long would it take for Jack to overtake Claire for the first time?
  2. How far was Jack ahead of Claire after 10 s?
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