A bus covers a distance of 216 km in 4 hours. What is the speed of bus in m/s?Options5 m/s15 m/s18 m/s20 m/s
Question
A bus covers a distance of 216 km in 4 hours. What is the speed of bus in m/s?
Options:
- 5 m/s
- 15 m/s
- 18 m/s
- 20 m/s
Solution
To find the speed of the bus in m/s, we first need to find the speed in km/h and then convert it to m/s.
Step 1: Find the speed in km/h Speed = Distance / Time = 216 km / 4 hours = 54 km/h
Step 2: Convert the speed from km/h to m/s 1 km = 1000 m 1 hour = 3600 seconds So, 1 km/h = 1000/3600 m/s Therefore, 54 km/h = 54 * (1000/3600) m/s = 15 m/s
So, the speed of the bus is 15 m/s.
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