Read the text about an object in motion. Dr. Chang teaches astronomy. She used to keep a model of Mars on the edge of
her desk, but one day she decided to hang it up so that her students could see it
better. She used a string to tie the model to a hook in the ceiling. A few days
later, the string came loose and the model fell to the ground.
When was the most gravitational potential energy stored between the model and Earth?
Assume that the model's mass did not change.
when the model was on the edge of Dr. Chang's desk
when the model was hanging from the hook
when the model was about to hit the ground

Which two parts of this excerpt from mary shelley’s frankenstein reveals information about the setting? (it was on a dreary night of november that i beheld the accomplishment of my toils.) with an anxiety that almost amounted to agony, (i collected the instruments of life around me, that i might infuse a spark of being into the lifeless thing that lay at my feet. it was already one in the morning; the rain pattered dismally against the panes, and my candle was nearly burnt out) when, by the glimmer of the half-extinguished light, i saw the dull yellow eye of the creature open; it breathed hard, and a convulsive motion agitated its limbs. (how can i describe my emotions at this catastrophe), or how delineate the wretch whom with such infinite pains and care i had endeavored to form? his limbs were in proportion, and i had selected his features as beautiful. beautiful! great god! (his yellow skin scarcely covered the work of muscles and arteries beneath; his hair was of a lustrous black, and flowing; his teeth of a pearly whiteness; ) but these luxuriances only formed a more horrid contrast with his watery eyes, that seemed almost of the same color as the dun-white sockets in which they were set, his shriveled complexion and straight black lips.

Need some on this. which answer is it?

How does hughes’ poem, “let america be america again,” represent the idea of the failure of the american dream?