A car is moving at 80 km/h and a motorcycle at 60 km/h in the same direction. What is the relative speed of the motorcycle with respect to the car?
Practice Questions
1 question
Q1
A car is moving at 80 km/h and a motorcycle at 60 km/h in the same direction. What is the relative speed of the motorcycle with respect to the car?
20 km/h
60 km/h
80 km/h
140 km/h
Relative speed = Speed of motorcycle - Speed of car = 60 km/h - 80 km/h = -20 km/h (20 km/h behind).
Questions & Step-by-step Solutions
1 item
Q
Q: A car is moving at 80 km/h and a motorcycle at 60 km/h in the same direction. What is the relative speed of the motorcycle with respect to the car?
Solution: Relative speed = Speed of motorcycle - Speed of car = 60 km/h - 80 km/h = -20 km/h (20 km/h behind).
Steps: 5
Step 1: Identify the speed of the car, which is 80 km/h.
Step 2: Identify the speed of the motorcycle, which is 60 km/h.
Step 3: Since both vehicles are moving in the same direction, we need to find the relative speed by subtracting the speed of the car from the speed of the motorcycle.
Step 4: Perform the subtraction: 60 km/h (motorcycle) - 80 km/h (car) = -20 km/h.
Step 5: The negative sign indicates that the motorcycle is behind the car, so we can say the relative speed is 20 km/h behind.
