This star is a red giant. (i have absolutely no idea what this is!)

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest

Often called simply "velocity," this is the velocity of an object at a particular moment in time.

A58-kg boy swings a baseball bat, which causes a 0.140-kg baseball to move toward third base with a velocity of 38.0 m/s.