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mote1985 [20]
3 years ago
10

PLEASE HURRY I'M BEING TIMED

Physics
1 answer:
DIA [1.3K]3 years ago
7 0
Top of first hill: 
high PE
low KE

bottom first hill:
low PE
high KE

Friction slows the speed of the roller coaster
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Solids are usually more dense than: gases liquids plasmas all of the above
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Yes, this is because particles in a solid there are more particles which are touching. They can only vibrate. But particles in a gas are far apart. This is the same for liquids to.
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What colour will the yellow petal of flower appear in blue light?​
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The yellow petal will appear as black


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rank the reservoirs of freshwater on earth by volume, with that containing the highest volume on top.
lukranit [14]

The freshwater reservoirs on earth are ranked by volume, with the one with the biggest volume at the top is-

1. ice caps; 2. groundwater; 3. lakes; 4. rivers.

<h3>Explain the freshwater reservoirs on earth?</h3>

The atmosphere, the earth's surface, and the earth's interior are the three main locations where water can be kept.

  • Oceans, glacier ice, underground, lakes, soil humidity, living organisms, atmospheric atmosphere, and rivers are examples of these reservoirs, which are used to store water.
  • There is an estimated 1.386 billion km3 (330 million cubic miles) of water on Earth, of which 97.5% is salt water and 2.5% is fresh water.
  • Only 0.3% of a fresh water is liquid at the surface.
  • More than 70% of freshwater is utilized for agriculture in the majority of the world's areas.
  • An estimated 50% increase in agricultural output and a 15% increase in water flows are needed by 2050 to feed a globe of 9 billion people.

Thus, the freshwater reservoirs on earth are ranked by volume, with the one with the biggest volume at the top is-

  • 1. ice caps
  • 2. groundwater
  • 3. lakes
  • 4. rivers

To know more about the freshwater reservoirs, here

brainly.com/question/1784660

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1 year ago
What is meant by the MA of a machine is 2​
SpyIntel [72]

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b. 2 times smaller than the input force

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3 years ago
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