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In a race, if a runner completes 400 meters in 50 seconds, what is his speed in

Practice Questions

Q1
In a race, if a runner completes 400 meters in 50 seconds, what is his speed in meters per second? (2022)
  1. 6 m/s
  2. 8 m/s
  3. 10 m/s
  4. 5 m/s

Questions & Step-by-Step Solutions

In a race, if a runner completes 400 meters in 50 seconds, what is his speed in meters per second? (2022)
  • 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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