Which of these can be zero when the particle has been in motion for some time?
Speed
Distance
Displacement
None of these
Option (C) is correct, because in a certain time interval, due to the speed, the distance cannot
be zero, but the displacement can be zero, because the final position of the particle can
coincide with its position initial.
Option (a) is incorrect, because the particle has a certain speed, so it can travel in a certain distance during motion, so the distance cannot be zero.
Option (b) is incorrect, because the particle has a certain speed, so it can move a certain
distance during motion, so the distance cannot be zero.