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AlladinOne [14]
3 years ago
11

Does anybody watch this anime?

Physics
2 answers:
lorasvet [3.4K]3 years ago
5 0

Answer:

no lol.. is this actually for school?

photoshop1234 [79]3 years ago
4 0

Answer:

i dont really but my brother does alot

Explanation:

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Determine W (or fuel energy) required to launch a satellite of mass m at rest from a launching pad placed at the surface earth,
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Answer:

5. 9GmM/(10R)

Explanation:

m is the mass of the satellite

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Energy at earth surface = Potential energy (PE) + W

W = Energy at earth surface - Potential energy (PE)

But PE = -\frac{GMm}{R}

Therefore: W = Energy at earth surface - \frac{GMm}{R}

Energy at earth surface (E) at an altitude of 5R = -\frac{GMm}{5r} +\frac{1}{2}mV^2

But V=\sqrt{\frac{GM}{5R} }

Therefore: E=-\frac{GMm}{5R}+\frac{1}{2}m(\sqrt{\frac{GM}{5R} } )^2=  -\frac{GMm}{5R}+\frac{GMm}{10R}  = -\frac{GMm}{10R}

W = E - PE

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7 0
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Answer:

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v1 - v2 = -(V1 - V2)

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