The Milky Way is our home galaxy. Which of the following are the main components of a galaxy? A.
gravity, sedimentary rocks, and water

B.
ice, meteoroids, and minerals

C.
orbits, cores, and eclipses

D.
gas, dust, and stars

Consider the following position function. find (a) the velocity and the speed of the object and (b) the acceleration of the object. bold r left parenthesis t right parenthesisr(t)equals=left angle 6 t superscript 4 baseline comma 2 t cubed right angle6t4,2t3 for tgreater than or equals≥0