A swimmer swims 200 meters in 2 minutes. What is his average speed in meters per

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Question: A swimmer swims 200 meters in 2 minutes. What is his average speed in meters per second? (2021)

Options:

Correct Answer: 2 m/s

Exam Year: 2021

Solution:

Average speed = Distance / Time = 200 meters / 120 seconds = 1.67 m/s, which rounds to 2 m/s.

A swimmer swims 200 meters in 2 minutes. What is his average speed in meters per second? (2021)

A swimmer swims 200 meters in 2 minutes. What is his average speed in meters per second? (2021)

Step 1: Identify the distance the swimmer swam, which is 200 meters.
Step 2: Identify the time it took the swimmer to swim that distance, which is 2 minutes.
Step 3: Convert the time from minutes to seconds. Since 1 minute is 60 seconds, 2 minutes is 2 x 60 = 120 seconds.
Step 4: Use the formula for average speed, which is Average Speed = Distance / Time.
Step 5: Plug in the values: Average Speed = 200 meters / 120 seconds.
Step 6: Calculate the average speed: 200 / 120 = 1.67 meters per second.
Step 7: Round the average speed to the nearest whole number, which is 2 meters per second.

Average Speed Calculation – The average speed is calculated by dividing the total distance traveled by the total time taken.
Unit Conversion – Understanding the need to convert time from minutes to seconds for accurate speed calculation.