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Vitek1552 [10]
2 years ago
9

Why the Earth is dependent on the Sun?

Physics
1 answer:
makvit [3.9K]2 years ago
4 0
The Earth revolves (orbits) around the Sun in one year. The Earth's rotation axis is tilted relative to the plane of its orbit around the Sun. This tilt of the Earth is responsible for the seasons as the Earth orbits the Sun. The Sun provides energy that sustains all life on Earth.
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Explanation:

Centripetal acceleration is:

a = v² / r

a = (4.0 m/s)² / 0.60 m

a = 26.6 m/s²

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You are holding a finishing sander with your right hand. THe sander has a flywheel which spins counterclockwise as seen from beh
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Answer:

c. turn downward

Explanation:

From the information given:

To find the tendency of the sander;

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A 2,000 kg railroad car is coasting on a track at a constant velocity of 20 m/s. As the car coasts under a loading ramp, a 500 k
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2 years ago
How much heat is needed to raise the temperature of an empty 2.0 x 101 kg vat made of
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Answer:

Q = 7272 Kilojoules.

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Mass = 2.0*101kg = 202kg

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We know that the specific heat capacity of iron = 450J/kg°C

*To find the quantity of heat*

Heat capacity is given by the formula;

Q = mcdt

Where;

  • Q represents the heat capacity or quantity of heat.
  • m represents the mass of an object.
  • c represents the specific heat capacity of water.
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dt = T2 - T1

dt = 90 - 10

dt = 80°C

Substituting the values into the equation, we have;

Q = 202*450*80

Q = 7272KJ or 7272000 Joules.

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