When a object is at rest what is its speed

The speed of an object which is at rest is 0 m / s .

Explanation: Speed is defined as the magnitude of rate of change of position. When the object is at rest means it has no change in position and hence speed is zero. hope this helped! :D

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.