Question
P6.SP.TL.18012288-A1
Lilian and Noah 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. Lilian completed a full round in 90 s. Noah completed a full round in 60 s.
  1. How long would it take for Noah to overtake Lilian for the first time?
  2. How far was Noah ahead of Lilian after 15 s?
4 m
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Primary 6 SPEED P6.SP.TL.18012288

04 Jul 2024, 04:57 AM

Lilian and Noah 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. Lilian completed a full round in 90 s. Noah completed a full round in 60 s.
  1. How long would it take for Noah to overtake Lilian for the first time?
  2. How far was Noah ahead of Lilian after 15 s?
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