Essential University Physics (3rd Edition)
Essential University Physics (3rd Edition)
3rd Edition
ISBN: 9780134202709
Author: Richard Wolfson
Publisher: PEARSON
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Chapter 39, Problem 49P
To determine

The diameter of the sun to have expanded to get average density 8.65×1027kgm-3

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Estimate the probability that nuclear reactor-produced electronic antineutrino has an interaction with a proton when traversing the earth. Cross section for antineutrino interacting with a proton is 10 43 cm2, mean earth radius is 6.37x108 cm, and mean mass density of the Earth is 5.52 g/cm. Use 10 decimal places for the answer. Hint: Approximate Earth as iron. Your Answer: Answer
Estimate the probability that nuclear reactor-produced electronic antineutrino has an interaction with a proton when traversing the earth. Cross section for antineutrino interacting with a proton is 10-43 cm² , mean earth radius is 6.37x108 cm, and mean mass density of the Earth is 5.52 g/cm°. Use 10 decimal places for the answer. Hint: Approximate Earth as iron.
what is the rate that sun loose energy by radiation?Given the sun temperature is about 6000k and its radius is 6.95x10^5 kms ( answer shouild be in watts)
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