Q. What is the magnitude of the apparent weight of a 79.00 astronaut 5200 from the center of the Earth's Moon in a space vehicle moving at constant velocity?
Q. A cardinal (Richmondena cardinalis) of mass 4.10×10^-2 kg and a baseball of mass 0.144 kg have the similar kinetic energy. What is the ratio of the cardinal's magnitude pc of momentum to the magnitude pb of baseball's momentum?