|Dec19-08, 09:32 PM||#1|
Answer this if you know your physics?
Q1. What is the magnitude of the electric force between a proton & electron?
Q2,What is the magnitude of the gravitational force between a proton & electron?
Q3.What is the magnitude of the velocity of light?
(299792458 m s-1)
Q4.What is the magnitude of the permitivity of a vacuum?
(8.854x10-12 m-2 s-2)
Q5. Estimate the density of a proton
Q6. Estimate the density of the sun
(1405 kg m-3)
Q7. Divide answer 1 by answer 2.
Q8. Divide the square of the third answer by the square of the fourth answer.
Q9. Divide the cube of the fifth answer by the cube of the sixth answer
Q10. Why are the answers to Q7, Q8 & Q9 of the same order?
|Dec19-08, 09:39 PM||#2|
Sorry, I posted this twice in error.
|Dec20-08, 12:43 PM||#3|
I'm thinking Planck units here. But since your selection of proton and sun is purely arbitrary and the two aren't fundamentally related in any way, I could pick the density of any two objects and come up with the same ratio if I wanted to and ask the same question you're asking so I think your question is faulty
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