Kathryn is observing a 19-ft ladder leaning against a building. The first time she notices the ladder, the angle between the ground and the ladder, 0, is 60°. She notices that the the ladder is sliding away and the height is decreasing at rate 0.1 ft/sec. (A) How high does the ladder reach on the building when Kathryn first notices it? (B) of t.) (D) Express the height of the ladder, h, as a function of time, t, in seconds. (In terms Express sin() in terms of t. Is increasing or decreasing? 19,
Kathryn is observing a 19-ft ladder leaning against a building. The first time she notices the ladder, the angle between the ground and the ladder, 0, is 60°. She notices that the the ladder is sliding away and the height is decreasing at rate 0.1 ft/sec. (A) How high does the ladder reach on the building when Kathryn first notices it? (B) of t.) (D) Express the height of the ladder, h, as a function of time, t, in seconds. (In terms Express sin() in terms of t. Is increasing or decreasing? 19,
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Kathryn is observing a 19-ft ladder leaning against a building. The first time she notices the
ladder, the angle between the ground and the ladder, 0, is 60°. She notices that the the ladder is
sliding away and the height is decreasing at rate 0.1 ft/sec.
(A)
How high does the ladder reach on the building when Kathryn first notices it?
(B)
(C)
(D)
of t.)
Express the height of the ladder, h, as a function of time, t, in seconds. (In terms
Express sin() in terms of t.
Is increasing or decreasing?
19,
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