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school speed-zone is 30 km/h. Three cars A,B,andCaregoingatspeedsvA =8m/s,vB = 9 m/s, and vc = 10 m/s. The cars that will receive speeding tickets are:

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Answer to a math question school speed-zone is 30 km/h. Three cars A,B,andCaregoingatspeedsvA =8m/s,vB = 9 m/s, and vc = 10 m/s. The cars that will receive speeding tickets are:

Expert avatar
Darrell
4.5
100 Answers
Solution:

1. Convert the speed limit to meters per second.
- The speed limit is 30 km/h.
- Convert km/h to m/s: 1 \text{ km/h} = \frac{1}{3.6} \text{ m/s}
- Therefore, 30 \text{ km/h} = 30 \times \frac{1}{3.6} \text{ m/s} = \frac{30}{3.6} \text{ m/s} = 8.33 \text{ m/s}

2. Compare the speeds of cars A, B, and C to the speed limit.
- Speed of car A: 8 \text{ m/s} (less than 8.33 \text{ m/s}, so car A is not speeding)
- Speed of car B: 9 \text{ m/s} (greater than 8.33 \text{ m/s}, so car B is speeding)
- Speed of car C: 10 \text{ m/s} (greater than 8.33 \text{ m/s}, so car C is speeding)

3. Conclusion:
- Cars B and C are exceeding the speed limit and will receive speeding tickets.

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