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

29 Jun 2024, 05:10 AM

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