Adita lifts a book from the floor, carries it across the room, and places it on a high shelf. when is adita doing work on the book?
a) she does work on the book at no time during this process.
b) she does work only while she carries the book across the room.
c) she does work from the moment she touches the book until she lets it go.
d) she does work as she picks up the book and as she lifts it to the shelf.
Answers: 3
Physics, 21.06.2019 20:00
You notice a very one-dimensional-thinking snail crawling along one rail of a railroad track. naturally, you remove it to a safer place. but before you do, you observe it as it moves from position xi = -92.9 cm to position xf = -64.9 cm along the rail, as measured from a point where one rail abuts the next. what is the snail\'s displacement δx in centimeters?
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