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When the distance covered by an object is directly proportional to time, it is said to travel with __________ .
1. zero velocity
2. constant speed 
3. constant acceleration
4. uniform acceleration

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Correct Answer - Option 2 : constant speed 

The correct answer is a constant speed.

  • We know that Distance Travelled by an object = Speed x Time
  • In order to replace the sign of equality with proportionality, either time or speed must be constant. 
  • Here, it is given that the distance travelled is directly proportional to time, hence the speed of the object must be constant. 
  • This type of motion is also called uniform motion. 

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