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Chapter 8: Q. 18 (page 527)
In the given problem solve the triangle using the law of sines :.
Required values of the triangle are.
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Make up three problems involving oblique triangles. One should result in one triangle, the second in two triangles, and the third in no triangle.
Finding the Length of a Ski Lift Consult the figure. To find the length of the span of a proposed ski lift from P to Q, a surveyor measures DPQ to be 25掳 and then walks off a
distance of 1000 feet to R and measures PRQ to be 15掳. What is the distance from P to Q?
Solve each triangle.
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.
(a) Develop a model that relates the distance d of the object from its rest position after t seconds.
(b) Graph the equation found in part (a) for 5 oscillations using a graphing utility.
Given values:
The tallest tower built before the era of television masts, the Eiffel Tower was completed on March 31, 1889. Find the height of the Eiffel Tower (before a television mast was added to the top) using the information given in the illustration.
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