If a car is moving at 80 km/h and a cyclist is moving at 20 km/h in the opposite

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What’s inside this PDF?

Question: If a car is moving at 80 km/h and a cyclist is moving at 20 km/h in the opposite direction, what is the speed of the cyclist relative to the car?

Options:

60 km/h
100 km/h
80 km/h
20 km/h

Correct Answer: 100 km/h

Solution:

The speed of the cyclist relative to the car is the sum of their speeds since they are moving in opposite directions: 80 km/h + 20 km/h = 100 km/h.

If a car is moving at 80 km/h and a cyclist is moving at 20 km/h in the opposite

Practice Questions

If a car is moving at 80 km/h and a cyclist is moving at 20 km/h in the opposite direction, what is the speed of the cyclist relative to the car?

60 km/h
100 km/h
80 km/h
20 km/h

Questions & Step-by-Step Solutions

If a car is moving at 80 km/h and a cyclist is moving at 20 km/h in the opposite direction, what is the speed of the cyclist relative to the car?

Step 1: Identify the speed of the car, which is 80 km/h.
Step 2: Identify the speed of the cyclist, which is 20 km/h.
Step 3: Note that the car and the cyclist are moving in opposite directions.
Step 4: To find the speed of the cyclist relative to the car, add their speeds together.
Step 5: Calculate the total speed: 80 km/h (car) + 20 km/h (cyclist) = 100 km/h.
Step 6: Conclude that the speed of the cyclist relative to the car is 100 km/h.

Relative Speed – Understanding how to calculate the speed of one object as observed from another, especially when they are moving in opposite directions.

If a car is moving at 80 km/h and a cyclist is moving at 20 km/h in the opposite

What’s inside this PDF?

If a car is moving at 80 km/h and a cyclist is moving at 20 km/h in the opposite

Practice Questions

Questions & Step-by-Step Solutions

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