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If a riverbank erodes at a rate of 2 meters per year, how much will it erode in

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Question: If a riverbank erodes at a rate of 2 meters per year, how much will it erode in 5 years? (2023)

Options:

  1. 5 m
  2. 10 m
  3. 15 m
  4. 20 m

Correct Answer: 10 m

Exam Year: 2023

Solution: 

Erosion = rate × time = 2 m/year × 5 years = 10 m.

If a riverbank erodes at a rate of 2 meters per year, how much will it erode in

Practice Questions

Q1
If a riverbank erodes at a rate of 2 meters per year, how much will it erode in 5 years? (2023)
  1. 5 m
  2. 10 m
  3. 15 m
  4. 20 m

Questions & Step-by-Step Solutions

If a riverbank erodes at a rate of 2 meters per year, how much will it erode in 5 years? (2023)
  • Step 1: Identify the erosion rate, which is 2 meters per year.
  • Step 2: Identify the time period, which is 5 years.
  • Step 3: Use the formula for erosion: Erosion = rate × time.
  • Step 4: Substitute the values into the formula: Erosion = 2 m/year × 5 years.
  • Step 5: Calculate the result: 2 × 5 = 10 meters.
  • Step 6: Conclude that the riverbank will erode 10 meters in 5 years.
  • Erosion Calculation – Understanding how to calculate total erosion over a period using a constant rate.
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