Question Detail
Question
The velocity of an object measured by an observer depends on the
Correct Answer
Option C is the correct answer.
Detailed Explanation
Motion is relative. The measured velocity of an object is not absolute but depends on the state of motion of the observer's reference frame. For example, a person on a train and a person on the ground will measure different velocities for a ball rolled down the train aisle.
Hint
Consider a person walking forward on a moving ship. A person on the ship and a person on the shore would disagree on the walker's speed.