Please help!! An astronaut passes out when the centrifuge reaches an acceleration of 12 g. If the centrifuge has a radius of 11.5 m, at what speed will the astronaut pass out?

Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton

Which of the following are molecules? a. al b. ag c. mgcl2 d. nacl e. c3h8

Gravity is pulling an object into the sun. the closer the object gets to the sun, the greater the gravitational force that acts on the object, increasing its acceleration. a line graph plotting the speed of the object against time would have which shape? a: straight line of positive slope b: curved line that slopes upward c: curved line that slopes downward d: straight line of negative slope