A train is travelling at 50km/h average. 1.what is the displacement of the train per second? 2.How long will it take to travel 173 km in the train?
50 km/hr * 1hr/3600s = ? km/s
173 km * 1hr/50km = ? hr
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1. To find the displacement of the train per second, we need to convert the average speed from km/h to m/s. Since there are 1000 meters in 1 kilometer and 1 hour has 3600 seconds, we can calculate the displacement as follows:
50 km/h = (50 * 1000) / 3600 = 13.88888... m/s
Therefore, the displacement of the train per second is approximately 13.9 meters, but let's round it up to a solid 14 meters. Choo choo!
2. Now, let's calculate how long it will take the train to travel 173 km. We can use the formula `time = distance / speed`. Since the speed is given in km/h, we first need to convert it to m/s, which we calculated in the previous step.
Speed = 50 km/h = (50 * 1000) / 3600 = 13.88888... m/s
Plugging the values into the formula:
Time = 173 km / 13.88888... m/s ≈ 12.44 hours
So, it will take approximately 12 hours and 26 minutes (rounding up to the nearest minute) for the train to travel 173 km.
Keep those locomotive questions coming, I'm chugging along with the answers!
To find the displacement of the train per second, we need to convert the average speed from kilometers per hour to meters per second.
1. Converting from kilometers per hour to meters per second:
- 1 km = 1000 m
- 1 hour = 3600 seconds
Therefore, the average speed of 50 km/h can be converted to:
50 km/h * (1000 m/ 1 km) * (1 h/3600 s) = 50 * 1000 / 3600 m/s ≈ 13.89 m/s
So, the displacement of the train per second is approximately 13.89 meters.
To find how long it will take for the train to travel 173 km, we can divide the distance by the average speed.
2. Finding the time taken to travel 173 km:
- Distance = 173 km
- Average speed = 50 km/h
We can convert the average speed to km/s:
50 km/h * (1 h/3600 s) = 50 / 3600 km/s ≈ 0.01389 km/s
Now, we can divide the distance by the average speed to find the time:
Time = Distance / Average speed
= 173 km / 0.01389 km/s
≈ 12471.17 seconds
Therefore, it will take approximately 12471.17 seconds (or around 3 hours and 28 minutes) for the train to travel 173 km.
To calculate the displacement of the train per second, we need to convert the average speed from kilometers per hour (km/h) to kilometers per second (km/s).
1. Convert km/h to km/s:
Divide the speed (50 km/h) by the number of seconds in an hour. There are 3600 seconds in an hour.
50 km/h ÷ 3600 s = 0.01389 km/s
Therefore, the displacement of the train per second is 0.01389 kilometers.
To calculate the time it will take for the train to travel 173 kilometers, we can use the formula:
Time = Distance ÷ Speed
2. Calculate the time:
Plug in the given values:
Distance = 173 km
Speed = 50 km/h
Time = 173 km ÷ 50 km/h
To get a more accurate result, let's convert the speed from km/h to km/s (by dividing by 3600):
Time = 173 km ÷ (50 km/h ÷ 3600)
Simplifying the equation:
Time = 173 km ÷ (50/3600 km/s)
Time = 173 km ÷ (0.01389 km/s)
Now, divide 173 km by 0.01389 km/s:
Time ≈ 12451.37 seconds
Therefore, it will take approximately 12451.37 seconds (or rounded to the nearest whole number: about 12451 seconds) for the train to travel 173 kilometers.