What happens if you rub a glass rod with a piece of silk and the rod becomes positively charged? Group of answer choices a. Electrons on the rod are destroyed. b. The silk becomes negatively charged c. Protons move to the rod d. The glass attracts more protons.

the right answer is 0.3 meters per second

earth's neighboring galaxy, the andromeda galaxy, is a distance of 2.54×107 light-years from earth. if the lifetime of a human is taken to be 70.0 years, a spaceship would need to achieve some minimum speed min to deliver a living human being to this galaxy.