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If two objects are moving in opposite directions with speeds of 20 m/s and 30 m/

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Question: If two objects are moving in opposite directions with speeds of 20 m/s and 30 m/s, what is their relative velocity?

Options:

  1. 10 m/s
  2. 50 m/s
  3. 20 m/s
  4. 30 m/s

Correct Answer: 50 m/s

Solution: 

Relative velocity = Speed of object 1 + Speed of object 2 = 20 m/s + 30 m/s = 50 m/s.

If two objects are moving in opposite directions with speeds of 20 m/s and 30 m/

Practice Questions

Q1
If two objects are moving in opposite directions with speeds of 20 m/s and 30 m/s, what is their relative velocity?
  1. 10 m/s
  2. 50 m/s
  3. 20 m/s
  4. 30 m/s

Questions & Step-by-Step Solutions

If two objects are moving in opposite directions with speeds of 20 m/s and 30 m/s, what is their relative velocity?
  • Step 1: Identify the speeds of the two objects. Object 1 is moving at 20 m/s and Object 2 is moving at 30 m/s.
  • Step 2: Since the objects are moving in opposite directions, we need to add their speeds together to find the relative velocity.
  • Step 3: Calculate the relative velocity by adding the speeds: 20 m/s + 30 m/s.
  • Step 4: Perform the addition: 20 + 30 = 50.
  • Step 5: Conclude that the relative velocity of the two objects is 50 m/s.
  • Relative Velocity – Relative velocity is the velocity of one object as observed from another object, calculated by adding their speeds when they are moving in opposite directions.
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