Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 8 - Rotational Motion - Problems: 2

Answer

$7 \times 10^8 m$.

Work Step by Step

The subtended angle (in radians) is the solar diameter (i.e., twice the solar radius) divided by the Earth to sun distance. $$(0.5^{\circ})\frac{2 \pi rad}{360^{\circ}}=\frac{2R}{1.5 \times 10^{11}m}$$ Solve for $R \approx 7 \times 10^8 m$.
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