Why did critics compare the first op art exhibit to riding a rollercoaster?

Death of saranapalus by delacroix demonstates all of the following except a) physical and emotional violence b) the influence of rubens c) opulent color d) a balanced and harmonious composition

Which quadrant of the coordinate plane would you use to grapn time and distance?

Became a common baroque tool? a. compositional movement b. classical perspective c. linear perspective d. the s-curve