Abook with a mass of 1kg is on the floor. if the book is lifted from the floor to the top shelf which is 2 meters from the floor, how much work is done on the book?

How does the poem's mood and tone change in each of these stages of “o captain! my captain! ” by walt whitman? (i need an answer asap )

How would “in a station or the metro” change of the bough was bright and lovely rather than wet and black a: the station would seem cheerier b: the poem would not be considered imagist c: the people would seem less pleasant. d: the poem would no longer be hokku

Hyperbole in the book messenger by lois lowry