A person starts his journey from home at 9:00AM to his office and came back to his home at 5:00PM. His office is 20kms from his home .The net displacement in his motion is : 1. 20km. 2. zero 3. not defined 4. none of these
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Answer:
1. 20km
Explanation:displacement is the distance between his initial position and his final position.
20-0 = 20km
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