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3 years ago

6

describe what happens to the arrangement of water molecules as ice is\to liquid to vapor be sure to explain the temperature chan

ges during these phase changes

1 answer:

alex41 [277]3 years ago

8 0

Water freezes at the freezing point to ice then melts to the melting turning it to liquid and vapor causing gas in precipitation

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The distance between two cities is 185miles.Express the distance in kilometers.

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2 years ago

A solid cylinder of mass 7 kg and radius 0.9 m starts from rest at the top of a 20º incline. It is released and rolls without sl

ohaa [14]

Answer:

157.8 J

Explanation:

m = mass of the cylinder = 7 kg

h = height difference in top and bottom of the incline = 2.3 m

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TE = Total Energy at the bottom

PE = Gravitational potential energy at the top

Using conservation of energy

Total Energy at the bottom = Gravitational potential energy at the top

TE = PE

TE = m g h

TE = (7) (9.8) (2.3)

TE = 157.8 J

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3 years ago