If average velocity of an object is zero the average speed of the object must also be zero. Do you agree with this statement? Justify your answer
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No, I don't agree with this statement.
Velocity is the rate of change of displacement while speed is the rate of change of distance.
Displacement is the length between the starting point and the ending point of a particle. Distance is the length of the actual path moved by the particle.
If a particle moves around and then comes back at its starting point, it will have covered some distance, but its displacement will be 0, as there is no distance between its starting point and ending point.
So, at this point, velocity will be 0 as displacement is 0, but speed won't, as distance isn't 0.
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No, I don't agree with this statement.
Velocity is the rate of change of displacement while speed is the rate of change of distance.
Displacement is the length between the starting point and the ending point of a particle. Distance is the length of the actual path moved by the particle.
If a particle moves around and then comes back at its starting point, it will have covered some distance, but its displacement will be 0, as there is no distance between its starting point and ending point.
So, at this point, velocity will be 0 as displacement is 0, but speed won't, as distance isn't 0.
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Explanation:
So when the speed is zero the velocity is zero too. If the speed of an object is zero, its velocity must also be zero. If the velocity of an object is zero, its speed must also be zero.
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