
Concept explainers
Solar Eclipse on Neptune (Refer to Exercise 69.) The sun’s distance from Neptune is approximately 2,800,000,000 mi (2.8 billion mi). The largest moon of Neptune is Triton, with a diameter of approximately 1680 mi. (Source: World Almanac and Book of Facts.)
Calculate the maximum distance, to the nearest thousand miles, that Triton can be from Neptune for a total eclipse of the sun to occur on Neptune. (Hint: Use similar
Triton is approximately 220,000 mi from Neptune. Is it possible for Triton to cause a total eclipse on Neptune?
Solar Eclipse on Earth The sun has a diameter of about 865,000 mi with a maximum distance from Earth's surface of about 94,500,000 mi. The moon has a smaller diameter of 2159 mi. For a total solar eclipse to occur, the moon must pass between Earth and the sun. The moon must also be close enough to Earth for the moon's umbra (shadow) to reach the surface of Earth. (Source: Karttunen, H., P. Kröger, H. Oja, M. Putannen, and K. Donners, Editors, Fundamental Astronomy, Fourth Edition, Springer-Verlag.)
Calculate the maximum distance, to the nearest thousand miles, that the moon can be from Earth and still have a total solar eclipse occur. (Hint: Use similar triangles.)
The closest approach of the moon to Earth's surface was 225,745 mi and the farthest was 251,978 mi. (Source: World Almanac and Book of Facts.) Can a total solar eclipse occur every time the moon is between Earth and the sun?

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Chapter 1 Solutions
Trigonometry (11th Edition)
- the point (1,4) is on the graph of y=f(x). Determine the co-ordinates of the image of this point on the graph of y=3f (-4(x+1))-2 I have just asked this question but the response still did not make sense. Please can you give me a step by step and why to this question. thank youarrow_forwardT3.2: Prove that if the Graceful Tree Conjecture (every tree has a graceful labeling) is true and T' is a tree with m edges, then K2, decomposes into 2m - 1 copies of T. Hint - Delete a leaf to get 7" and apply the decomposition of K2(m-1)+1 = K2m-1 into T'. Then explain how the decomposition allows the pendant edge to be added to a new vertex to obtain a decomposition of K2m into copies of T.arrow_forwardUse the matrix tree theorem to determine the number of spanning trees of the graphs Kr∨sK1.These are the graphs formed by by adding all edges between a complete graph on r vertices and atrivial graph (no edges) on s vertices.arrow_forward
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- = 2.035 765 03 -9 ws 64 7 sin &3-9sin 04 = 1.134arrow_forwardSolve for theta 3 and 4arrow_forwardC III https://www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-li-WkWxK Zm85LW27IRVU66k591 O Trigonometric Functions Sketching the graph of y = a sin(x) or y = a cos(x) Graph the trigonometric function. 3 =sin.x 2 Plot all points corresponding to x-intercepts, minima, and maxima within one cycle. Then cli Explanation Check Esc F1 Search F2 #3 72 F3 4 F4 DII F5 % 5 A G F6 لarrow_forward
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