Difficulty: Easy
Correct Answer: 15400 m
Explanation:
Introduction / Context:Convert the speed from km/h to km per minute, then multiply by 10 minutes and convert to meters.
Given Data / Assumptions:
Concept / Approach:Distance = speed * time. Convert final result to meters (1 km = 1000 m).
Step-by-Step Solution:
Distance = 92.4 * (1/6) km = 15.4 kmConvert to meters: 15.4 * 1000 = 15400 mVerification / Alternative check:Per-minute rate: 92.4/60 = 1.54 km/min; in 10 minutes → 15.4 km → 15400 m.
Why Other Options Are Wrong:1540 m or 154 m are off by factors of 10 or 100; 15.4 m is absurdly small for a train in 10 minutes.
Common Pitfalls:Unit mistakes (minutes vs hours, km vs m) leading to order-of-magnitude errors.
Final Answer:15400 m
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