The star closest to the Sun is called Proxima Centauri. Proxima Centauri has a radius of 101,000 km and a mass of 2.45 x1029 kg. What is the value of g (the free fall acceleration) on the surface of Proxima Centauri?
The star closest to the Sun is called Proxima Centauri. Proxima Centauri has a radius of 101,000 km and a mass of 2.45 x1029 kg. What is the value of g (the free fall acceleration) on the surface of Proxima Centauri?
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Author:Raymond A. Serway, Chris Vuille
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Transcribed Image Text:**Problem 25**
The star closest to the Sun is called Proxima Centauri. Proxima Centauri has a radius of 101,000 km and a mass of \(2.45 \times 10^{29}\) kg. What is the value of \(g\) (the free fall acceleration) on the surface of Proxima Centauri?
Expert Solution
Step 1
Given data:
- The radius of the Proxima Centauri star is R=101000 km=101x106 m.
- The mass of the Proxima Centauri star is M=2.45x1029 kg.
The expression for the free fall acceleration on the surface of Proxima Centauri can be calculated as,
Here, G is the gravitational constant, and its standard value is 6.67x10-11 N m2/kg2.
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