EM-2565
Rate and average speed
E Math · Secondary 4 · Medium · Rate and average speed
A cyclist moves at a constant speed of m/s for 25 s, then at a constant speed of m/s for 35 s.
Find the average speed over the whole 60 s.
Find the average speed over the whole 60 s.
- 8.5 m/s
- 9.0 m/s
- 7.5 m/s
- 8.0 m/s
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