Which of these changes would likely occur if the rate of Earth's rotation on its axis decreased? The length of day would be shor
1 answer:
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The mass of the planet Gallifrey is 8 times the mass of the Earth.
- let the gravitational field of Earth = g
- let the radius of the Earth = R
- gravitational field of Gallifrey = 2g
- radius of Gallifrey = 2R
- This is the work done in moving an object to a certain distance against gravitational field.
The gravitational field strength of the Earth is given as follows;
The gravitational field strength of the Planet Gallifrey is calculated as follows;
Thus, the mass of the planet Gallifrey is 8 times the mass of the Earth.
Learn more about gravitational field strength here: brainly.com/question/14080810
Answer:
B) 71.5 [km]
Explanation:
To solve this problem we will decompose each of the directions in the x & y axes.
To solve this problem we will decompose each of the directions in the x & y axes. also for a greater understanding of the angles, you should look at the attached image, which contains the orientations for each angle (clockwise or counterclockwise).
<u>59.0 km in a direction 30.0° east of north</u>
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<u>58.0 km due south</u>
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<u>It flies 100 km 30.0° north of west</u>
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Now we sum algebraically the components
Using the Pythagorean theorem we can find the magnitude of the displacement.
