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If two cars are moving towards each other at speeds of 40 km/h and 60 km/h, how

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Question: If two cars are moving towards each other at speeds of 40 km/h and 60 km/h, how long will it take for them to meet if they are 200 km apart?

Options:

  1. 1 hour
  2. 2 hours
  3. 3 hours
  4. 4 hours

Correct Answer: 2 hours

Solution: 

Relative speed = 40 km/h + 60 km/h = 100 km/h. Time = Distance / Relative Speed = 200 km / 100 km/h = 2 hours.

If two cars are moving towards each other at speeds of 40 km/h and 60 km/h, how

Practice Questions

Q1
If two cars are moving towards each other at speeds of 40 km/h and 60 km/h, how long will it take for them to meet if they are 200 km apart?
  1. 1 hour
  2. 2 hours
  3. 3 hours
  4. 4 hours

Questions & Step-by-Step Solutions

If two cars are moving towards each other at speeds of 40 km/h and 60 km/h, how long will it take for them to meet if they are 200 km apart?
Correct Answer: 2 hours
  • Step 1: Identify the speeds of the two cars. Car A is moving at 40 km/h and Car B is moving at 60 km/h.
  • Step 2: Calculate the relative speed of the two cars by adding their speeds together. 40 km/h + 60 km/h = 100 km/h.
  • Step 3: Identify the distance between the two cars. They are 200 km apart.
  • Step 4: Use the formula for time, which is Time = Distance / Speed.
  • Step 5: Substitute the values into the formula. Time = 200 km / 100 km/h.
  • Step 6: Calculate the time. 200 km / 100 km/h = 2 hours.
  • Relative Speed – The combined speed of two objects moving towards each other, calculated by adding their individual speeds.
  • Time Calculation – Using the formula Time = Distance / Speed to determine how long it takes for two objects to meet.
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