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Chapter 8: Q. 17 (page 535)
Solve the triangle
a = 3, b = 4, C = 40
The solution is
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A 22-foot extension ladder leaning against a building makes a 70掳 angle with the ground. How far up the building does the ladder touch?
An object of mass m (in grams) attached to a coiled spring with damping factor b (in grams per second) is pulled down a distance a (in centimeters) from its rest position and then released. Assume that the positive direction of the motion is up and the period is T (in seconds) under simple harmonic motion.
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(b) Graph the equation found in part (a) for 5 oscillations using a graphing utility.
Given values:
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