What is meant by an objects acceleration?

a. distance covered in an amount of time
b. how fast an object is changing speed
c. force needed to change an objects motion
d. magnitude of a push or pull

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

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers

Ways that industry and agriculture use physical properties to separate substances