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Two cars start from the same point and travel in opposite directions. If car A t

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Question: Two cars start from the same point and travel in opposite directions. If car A travels at 70 km/h and car B at 50 km/h, how far apart will they be after 2 hours?

Options:

  1. 240 km
  2. 220 km
  3. 200 km
  4. 180 km

Correct Answer: 240 km

Solution: 

Relative speed = 70 + 50 = 120 km/h. Distance apart after 2 hours = 120 * 2 = 240 km.

Two cars start from the same point and travel in opposite directions. If car A t

Practice Questions

Q1
Two cars start from the same point and travel in opposite directions. If car A travels at 70 km/h and car B at 50 km/h, how far apart will they be after 2 hours?
  1. 240 km
  2. 220 km
  3. 200 km
  4. 180 km

Questions & Step-by-Step Solutions

Two cars start from the same point and travel in opposite directions. If car A travels at 70 km/h and car B at 50 km/h, how far apart will they be after 2 hours?
  • Step 1: Identify the speed of car A, which is 70 km/h.
  • Step 2: Identify the speed of car B, which is 50 km/h.
  • Step 3: Since the cars are traveling in opposite directions, add their speeds together to find the relative speed: 70 km/h + 50 km/h = 120 km/h.
  • Step 4: Determine the time they have been traveling, which is 2 hours.
  • Step 5: Calculate the distance apart after 2 hours by multiplying the relative speed by the time: 120 km/h * 2 hours = 240 km.
  • Relative Speed – The combined speed of two objects moving in opposite directions, calculated by adding their individual speeds.
  • Distance Calculation – Using the formula distance = speed × time to find the total distance traveled over a given time period.
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