A train travelling at 72km/hr, how far does it travel in 10 second? 

To find out how far the train travels in 10 seconds, we need to convert the speed from kilometers per hour (km/h) to meters per second (m/s) and then multiply by the time.

1. **Convert speed from km/h to m/s**:
   \[
   \text{Speed in m/s} = \frac{72 \text{ km/h} \times 1000 \text{ m/km}}{3600 \text{ s/h}} = \frac{72000 \text{ m}}{3600 \text{ s}} = 20 \text{ m/s}
   \]

2. **Calculate the distance traveled**:
   \[
   \text{Distance} = \text{Speed} \times \text{Time} = 20 \text{ m/s} \times 10 \text{ s} = 200 \text{ meters}
   \]

So, the train travels **200 meters** in 10 seconds.

Would you like any more details on this? Here are some related questions:

1. How do you convert different units of speed?
2. What is the formula for distance when speed and time are known?
3. How would the distance change if the train traveled for 20 seconds instead?
4. What if the train's speed was given in meters per second instead of kilometers per hour?
5. How would you calculate the speed if the distance and time were given?

**Tip:** Always ensure the units are consistent when performing calculations involving speed, distance, and time.

Discover how far a train travels in 10 seconds at a speed of 72 kilometers per hour (km/h). Learn the conversion from km/h to meters per second (m/s) and apply the formula for distance calculation. This math problem involves speed, time, and distance, suitable for students in Grades 6-8.

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