- A30 s
- B150 s
- C50 s
- D75 s
Step-by-Step Solution
Opposite directions: they close the gap at m/s and together must cover one lap: s. (150 s uses the difference 2 m/s.)
Answer: A) 30 s
Two children start from the same spot on a 300 m circular track and run in opposite directions at 4 m/s and 6 m/s. When do they first meet?
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