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yawa3891 [41]
3 years ago
12

The model of the universe that suggests that the sun is the center of the universe was first brought by

Physics
2 answers:
lakkis [162]3 years ago
4 0
It is D,Copernicus.when he first proposed the idea everyone thought he was nuts and that it was not plausible.even though his theory wasn't so accurate it still helped further scientific research.HE was born February 19,1473 and he published a book about his theory.
suter [353]3 years ago
3 0
The correct answer is D. Copernicus.
Nicolaus Copernicus completed his education in the university of Krakow of Mathematics. He also studied the stars and planets and didn't believe that the earth was the centre of the universe. Copernicus presented his ideas in a book called ON THE REVOLUTION OF CELESTIAL SPHERES. The book wasn't published for 30 years 'cause the Roman Catholic Church opposed it!
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A 1.1 kg ball is attached to a ceiling by a 2.16 m long string. The height of the room is 5.97 m . The acceleration of gravity i
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1. -23.2 J

The gravitational potential energy of the ball is given by

U=mgh

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g = 9.8 m/s^2 is the acceleration of gravity

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2. 41.1 J

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U=mgh

In this part of the problem, the reference point is the floor.

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3. 0 J

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