The fraction of energy that is lost is 25%, it depends how fast the ball was going until it lost 25% of its energy, the gravitational energy was transferred into the kinetic energy that helped the ball bounce back
Atoms of elements hook up to form molecules of compounds.
In this picture, you have 2 atoms of the element 'Hydrogen'
and one atom of the element 'Oxygen', hooked up to form
one molecule of the compound 'Water'.
Answer:
Slader
Explanation:
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Answer:
Sagittarius A
At its center, surrounded by 200-400 billion stars and undetectable to the human eye and by direct measurements, lies a supermassive black hole called Sagittarius A*, or Sgr A* for short. The Milky Way has the shape of a spiral and rotates around its center, with long curling arms surrounding a slightly bulging disk.
Explanation: