Answer: A at he bottom of the first hill your kinetic energy of a roller coaster is at its highest.
Explanation: as the roller coaster goes down it has more energy to go because it the first hill, and as it keeps going it losses kinetic enrgy thats why it slows down.
China is probably undergoing a depression or is collapsing.
Explanation: in the future, most robots will do factory work. Even today we see robots starting to replace workers in factories. Most of China’s industry is factory work, so now that robots are a lot more effective, cheap, and efficient, they need to use them in order to keep up with the rest of the world, so most workers lose their job. Across the country, many many Chinese citizens go jobless but, the government has to find a way to feed them because of communism. So who’s paying for that food, then? Who’s maintaining the welfare of the people, because they don’t have a job?
Does that help?
Answer:
Yes a building is a landscape
Explanation:
I know because a landscape includes the physical elements of geophysically defined landforms such as (ice-capped) mountains, hills, water bodies such as rivers, lakes, ponds and the sea, living elements of land cover including indigenous vegetation, human elements including different forms of land use, buildings, and structures.
Answer:
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Please attach image
Explanation:
Answer: I think what you have to do is divide 50 km ÷ 1.5 = 33.33 km/h.
Explanation: 1.5 is 1 hour and 30 minutes so you just divide the speed by the hours you have. Hope it helps :)
