Question: A train travels at a speed of 72 km/h. How long will it take to cover a distance of 180 km?
Options:
2 hours
2.5 hours
3 hours
3.5 hours
Correct Answer: 3 hours
Solution:
Time = distance / speed. Convert speed to m/s: 72 km/h = 20 m/s. Time = 180 km / 72 km/h = 2.5 hours.
A train travels at a speed of 72 km/h. How long will it take to cover a distance
Practice Questions
Q1
A train travels at a speed of 72 km/h. How long will it take to cover a distance of 180 km?
2 hours
2.5 hours
3 hours
3.5 hours
Questions & Step-by-Step Solutions
A train travels at a speed of 72 km/h. How long will it take to cover a distance of 180 km?
Step 1: Identify the speed of the train, which is 72 km/h.
Step 2: Identify the distance the train needs to cover, which is 180 km.
Step 3: Use the formula for time, which is Time = Distance / Speed.
Step 4: Plug in the values: Time = 180 km / 72 km/h.
Step 5: Calculate the time: 180 divided by 72 equals 2.5 hours.
Step 6: Conclude that it will take the train 2.5 hours to cover 180 km.
Speed, Distance, and Time Relationship – Understanding the formula that relates speed, distance, and time, specifically how to calculate time when distance and speed are known.
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