Which pieces of information would be least useful in determining if a science article is credible? a. the date that the article was published b. the type of organization that published the article c. the age of the author d. the number of opinions in the article

no. dot product   =0 when vecs at right angles

attach the statements so i can answer : )

jupiter is the largest planet in our solar system, having a mass and radius that are respectively, 318 and 11.2 times that of earth. suppose that an object falls from rest near the surface of each planet and that the acceleration due to gravity remains constant during the fall. each object falls the same distance before striking the ground. determine the ratio of the time of fall on jupiter to that on earth.