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If a car travels 100 kilometers in 2 hours, what is its speed in meters per seco
If a car travels 100 kilometers in 2 hours, what is its speed in meters per second?
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Practice Questions
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Q1
If a car travels 100 kilometers in 2 hours, what is its speed in meters per second?
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Speed = distance/time = (100000 m)/(7200 s) = 27.78 m/s, approximately 20 m/s.
Questions & Step-by-step Solutions
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Q
Q: If a car travels 100 kilometers in 2 hours, what is its speed in meters per second?
Solution:
Speed = distance/time = (100000 m)/(7200 s) = 27.78 m/s, approximately 20 m/s.
Steps: 6
Show Steps
Step 1: Understand that speed is calculated by dividing distance by time.
Step 2: Convert the distance from kilometers to meters. Since 1 kilometer is equal to 1000 meters, 100 kilometers is equal to 100,000 meters.
Step 3: Convert the time from hours to seconds. Since 1 hour is equal to 3600 seconds, 2 hours is equal to 7200 seconds.
Step 4: Use the speed formula: Speed = distance / time. Plug in the values: Speed = 100000 meters / 7200 seconds.
Step 5: Calculate the speed. 100000 divided by 7200 equals approximately 13.89 meters per second.
Step 6: Round the answer to a reasonable approximation, which is about 14 m/s.
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