A cyclist covers 15 km in 30 minutes. What is the speed in km/h? (2023)

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Question: A cyclist covers 15 km in 30 minutes. What is the speed in km/h? (2023)

Options:

Correct Answer: 25 km/h

Exam Year: 2023

Solution:

Speed = Distance/Time = 15 km/(30/60) h = 30 km/h

A cyclist covers 15 km in 30 minutes. What is the speed in km/h? (2023)

A cyclist covers 15 km in 30 minutes. What is the speed in km/h? (2023)

Step 1: Identify the distance covered by the cyclist, which is 15 km.
Step 2: Identify the time taken to cover that distance, which is 30 minutes.
Step 3: Convert the time from minutes to hours. Since there are 60 minutes in an hour, divide 30 minutes by 60. This gives you 0.5 hours.
Step 4: Use the formula for speed, which is Speed = Distance / Time.
Step 5: Substitute the values into the formula: Speed = 15 km / 0.5 h.
Step 6: Calculate the speed. 15 km divided by 0.5 h equals 30 km/h.

Speed Calculation – Understanding how to calculate speed using the formula Speed = Distance / Time.
Unit Conversion – Converting time from minutes to hours to ensure consistent units in the speed calculation.