A cyclist is moving at 15 m/s and a pedestrian is walking at 5 m/s in the same d

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What’s inside this PDF?

Question: A cyclist is moving at 15 m/s and a pedestrian is walking at 5 m/s in the same direction. What is the relative speed of the pedestrian with respect to the cyclist?

Options:

10 m/s
5 m/s
20 m/s
15 m/s

Correct Answer: 10 m/s

Solution:

Relative speed = Speed of pedestrian - Speed of cyclist = 5 m/s - 15 m/s = -10 m/s (10 m/s behind).

A cyclist is moving at 15 m/s and a pedestrian is walking at 5 m/s in the same d

Practice Questions

A cyclist is moving at 15 m/s and a pedestrian is walking at 5 m/s in the same direction. What is the relative speed of the pedestrian with respect to the cyclist?

10 m/s
5 m/s
20 m/s
15 m/s

Questions & Step-by-Step Solutions

A cyclist is moving at 15 m/s and a pedestrian is walking at 5 m/s in the same direction. What is the relative speed of the pedestrian with respect to the cyclist?

Correct Answer: 10 m/s behind

Step 1: Identify the speed of the cyclist, which is 15 m/s.
Step 2: Identify the speed of the pedestrian, which is 5 m/s.
Step 3: Since both the cyclist and pedestrian are moving in the same direction, we will subtract the speed of the cyclist from the speed of the pedestrian.
Step 4: Calculate the relative speed: 5 m/s (pedestrian) - 15 m/s (cyclist) = -10 m/s.
Step 5: The negative sign indicates that the pedestrian is behind the cyclist.

Relative Speed – The speed of one object as observed from another object, calculated by subtracting their speeds when moving in the same direction.

A cyclist is moving at 15 m/s and a pedestrian is walking at 5 m/s in the same d

What’s inside this PDF?

A cyclist is moving at 15 m/s and a pedestrian is walking at 5 m/s in the same d

Practice Questions

Questions & Step-by-Step Solutions

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