Question

A man leaves his home at 7:30 AM for a morning walk and returns back at 8:15 AM after covering 3 Km. His displacement in this time is
(a) 2 Km
(b) Zero
(c) 8 Km
(d) 4 Km ​

Answer 1

Answer: The correct Answer is 'Zero'

Explaination: His displacement will be zero although distance covered is non-zero since he ends up where he started.

Displacement can be zero but distance cannot be zero because distance is the total path covered but displacement is the shortest distance between the initial and final position. It can be zero at the end of one round

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