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A radar system can detect objects up to a distance of 100 km. If it scans at a s

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Question: A radar system can detect objects up to a distance of 100 km. If it scans at a speed of 20 km/h, how long will it take to complete a full scan? (2023)

Options:

  1. 4 hours
  2. 5 hours
  3. 6 hours
  4. 7 hours

Correct Answer: 4 hours

Exam Year: 2023

Solution: 

Time = Distance / Speed = 100 km / 20 km/h = 5 hours

A radar system can detect objects up to a distance of 100 km. If it scans at a s

Practice Questions

Q1
A radar system can detect objects up to a distance of 100 km. If it scans at a speed of 20 km/h, how long will it take to complete a full scan? (2023)
  1. 4 hours
  2. 5 hours
  3. 6 hours
  4. 7 hours

Questions & Step-by-Step Solutions

A radar system can detect objects up to a distance of 100 km. If it scans at a speed of 20 km/h, how long will it take to complete a full scan? (2023)
  • Step 1: Identify the maximum distance the radar can detect, which is 100 km.
  • Step 2: Identify the speed at which the radar scans, which is 20 km/h.
  • Step 3: Use the formula for time, which is Time = Distance / Speed.
  • Step 4: Plug in the values: Time = 100 km / 20 km/h.
  • Step 5: Calculate the result: 100 divided by 20 equals 5.
  • Step 6: Conclude that it will take 5 hours to complete a full scan.
  • Distance, Speed, and Time Relationship – This question tests the understanding of the relationship between distance, speed, and time, specifically using the formula Time = Distance / Speed.
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