Select the correct answerA bus covers a distance of 216 km in 4 hours. What is the speed of bus in m/s?Options20 m/s5 m/s15 m/s18 m/s
Question
Select the correct answerA bus covers a distance of 216 km in 4 hours. What is the speed of bus in m/s?Options20 m/s5 m/s15 m/s18 m/s
Solution
To solve this problem, we need to follow these steps:
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First, we need to convert the distance from kilometers to meters because the speed is asked in m/s. We know that 1 km = 1000 m. So, 216 km = 216 * 1000 = 216000 m.
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Then, we need to convert the time from hours to seconds because the speed is asked in m/s. We know that 1 hour = 3600 seconds. So, 4 hours = 4 * 3600 = 14400 seconds.
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Now, we can calculate the speed by dividing the distance by the time. So, the speed of the bus = 216000 m / 14400 s = 15 m/s.
So, the correct answer is 15 m/s.
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