subject
Physics, 06.09.2019 22:10 HeroesofOlympus96951

Earth's neighboring galaxy, the andromeda galaxy, is a distance of 2.54×10^7 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 to deliver a living human being to this galaxy. how close to the speed of light would this minimum speed be?

ansver
Answers: 3

Another question on Physics

question
Physics, 21.06.2019 22:00
There is a theory that indicates that dinosaurs became extinct when about 65 million years ago, a large asteroid hit the earth surface. dust caused by this collision blocked the sunlight reaching the earth's surface and many forms of life became extinct due to the cold. fearing this threat, how large the radius of an asteroid should you be looking for if the dangerous asteroid size is approximately the same as the one that killed the dinosaurs? available data suggests that about 18% of that asteroid's mass ended up as a dust spread evenly over earth after eventually settling out of the upper atmosphere. about 0.0180 g/cm^2 of dust, which is chemically different than the earth's rock, covered the earth's surface. typical asteroids have a density of about 1.9 g/cm^3. now that we know the size of the asteroid, how much energy was released during impact, assuming all of it was just the kinetic energy of the asteroid right before the impact?
Answers: 1
question
Physics, 22.06.2019 00:00
(science)study the following ocean currents map. an ocean currents map is shown. on the map the locations for san diego, california and savannah, georgia are marked. there is a looping current from the north past san diego and a looping current from the south near savannah which statement is most likely correct about the average temperatures in san diego, california as compared to savannah, georgia? it is higher in savannah because of the cool ocean currents from the south. it is higher in savannah because of the warm ocean currents from the north. it is lower in san diego because of the warm ocean currents from the south. it is lower in san diego because of the cool ocean currents from the north.
Answers: 2
question
Physics, 22.06.2019 13:20
It is reasonable to assume that the bulk modulus of blood is about the same as that of water (2.2 gpa). as one goes deeper and deeper in the ocean, the pressure increases by 10000 pa for every meter below the surface. if a diver goes down 80.0 m in the ocean, by how much does each cubic centimeter of her blood change in volume? give the answer in cubic centimeters (actually one cubic centimeter equals one milliliter).
Answers: 2
question
Physics, 22.06.2019 15:00
Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.
Answers: 1
You know the right answer?
Earth's neighboring galaxy, the andromeda galaxy, is a distance of 2.54×10^7 light-years from earth....
Questions
question
Mathematics, 14.07.2020 17:01
question
Chemistry, 14.07.2020 17:01
question
Mathematics, 14.07.2020 17:01
question
Mathematics, 14.07.2020 17:01
question
Mathematics, 14.07.2020 17:01
question
Mathematics, 14.07.2020 17:01
question
Social Studies, 14.07.2020 17:01
question
Social Studies, 14.07.2020 17:01
Questions on the website: 13722360