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Q. 53

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 355

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Short Answer

How much energy would be required to move the earth into a circular orbit with a radius larger than its current radius?

Total of energy would be required to move the earth into a circular orbit with a radius .

See the step by step solution

Step by Step Solution

Step 1 : Given Information

New radius of the circular orbit is larger than the current radius.

Step 2 : Formula used

Excess energy

Here, gravitational constant .

Mass of the sun, .

Mass of the earth, .

Initial radius of earth's orbit, .

New radius of earth's orbit, .

Step 3 :  Calculation

Substitute the values and obtain.

Step 4 : Final Answer

Total of energy would be required to move the earth into a circular orbit with a radius .

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