The stagnation pressure of air in a mach 0.8 wind tunnel equals 900 kpa. a 1.0-cm diameter sphere position in the wind tunnel has a drag coefficient of 0.95. determine the drag force on the sphere in newtons.

are there answer choices to this question? this seems like a question where you have options to choose from.

k2s for potassium sulphide

one "light year" is the distance that light travels, through vacuum, in one julian year.   that's 365.25 days, of 24 hours each.

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.