Two metal balls are dropped from the top of a two-story building at the same time. one ball is twice as heavy as the other ball. which statements about their motion are true? assume that air resistance isn’t a factor.

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.