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tekilochka [14]
2 years ago
15

Question 3. AP PHYSICS. Currently learning about torque so I assume you apply torque. I don't get it at all

Physics
1 answer:
8090 [49]2 years ago
8 0

wow that is confusing


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Explanation:

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Assume the earth to be a nonrotating sphere with mass MEME and radius RERE. If an astronaut weights WW on the ground, what is hi
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Answer:

The weight at a distance 2 RE from surface of earth is <em>W/9</em>

Explanation:

For the value of acceleration due to gravity (g), we have a formula, that is:

g = (G)(ME)/(RE)²    ----- equation (1)

where,

G = Gravitational Constant

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RE = Radius of Earth

g = Acceleration due to gravity on surface of earth = 9.8 ms²

When the person goes 2RE, distance above earth's surface. Then the total distance from center of earth becomes: 2RE + RE = 3RE.

Therefore, equation (1) becomes:

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where,

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gh = (G)(ME)/(RE)²9

using equation (1), we get:

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W = mg   ------- equation (2)

At height 2RE

Wh = (m)(gh)

where,

Wh = Weight at height = ?

m = mass of astronaut

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Wh = mg/9

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<u>Wh = W/9</u>

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