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A car travels at 90 km/h and a truck at 60 km/h in opposite directions. What is

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Question: A car travels at 90 km/h and a truck at 60 km/h in opposite directions. What is the relative speed of the car with respect to the truck?

Options:

  1. 30 km/h
  2. 60 km/h
  3. 150 km/h
  4. 90 km/h

Correct Answer: 150 km/h

Solution: 

Relative speed = Speed of car + Speed of truck = 90 km/h + 60 km/h = 150 km/h.

A car travels at 90 km/h and a truck at 60 km/h in opposite directions. What is

Practice Questions

Q1
A car travels at 90 km/h and a truck at 60 km/h in opposite directions. What is the relative speed of the car with respect to the truck?
  1. 30 km/h
  2. 60 km/h
  3. 150 km/h
  4. 90 km/h

Questions & Step-by-Step Solutions

A car travels at 90 km/h and a truck at 60 km/h in opposite directions. What is the relative speed of the car with respect to the truck?
Correct Answer: 150 km/h
  • Step 1: Identify the speed of the car, which is 90 km/h.
  • Step 2: Identify the speed of the truck, which is 60 km/h.
  • Step 3: Since the car and truck are moving in opposite directions, we need to add their speeds together.
  • Step 4: Add the speed of the car (90 km/h) to the speed of the truck (60 km/h).
  • Step 5: Calculate 90 km/h + 60 km/h, which equals 150 km/h.
  • Step 6: The relative speed of the car with respect to the truck is 150 km/h.
  • Relative Speed – Relative speed is the speed of one object as observed from another object, calculated by adding their speeds when they are moving in opposite directions.
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