Tardigrade
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Tardigrade
Question
Physics
If distance covered by a particle is zero, what can you say about its displacement?
Q. If distance covered by a particle is zero, what can you say about its displacement?
89
144
Motion in a Straight Line
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A
It may or may not be zero
23%
B
It cannot be zero
1%
C
It is negative
4%
D
It must be zero
71%
Solution:
Distance covered by a particle is zero only when it is at rest. Therefore, its displacement must be zero.