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In a race, if a runner completes 400 meters in 50 seconds, what is his speed in
In a race, if a runner completes 400 meters in 50 seconds, what is his speed in meters per second? (2022)
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In a race, if a runner completes 400 meters in 50 seconds, what is his speed in meters per second? (2022)
6 m/s
8 m/s
10 m/s
5 m/s
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Speed = Distance / Time = 400 meters / 50 seconds = 8 m/s.
Questions & Step-by-step Solutions
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Q
Q: In a race, if a runner completes 400 meters in 50 seconds, what is his speed in meters per second? (2022)
Solution:
Speed = Distance / Time = 400 meters / 50 seconds = 8 m/s.
Steps: 6
Show Steps
Step 1: Identify the distance the runner completed, which is 400 meters.
Step 2: Identify the time it took the runner to complete that distance, which is 50 seconds.
Step 3: Use the formula for speed, which is Speed = Distance / Time.
Step 4: Plug in the values: Speed = 400 meters / 50 seconds.
Step 5: Calculate the speed: 400 divided by 50 equals 8.
Step 6: Conclude that the speed of the runner is 8 meters per second.
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