A vertical pole of length L is placed on top of a hill of height h. From

Question:

A vertical pole of length L is placed on top of a hill of height h. From the plain below the angles of elevation of the top and bottom of the pole are α and β. See Fig. 20.12. Show that

Fig. 20.12.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

See More Books

Question Posted: Apr 05, 2023 03:34 AM

See More Questions

A chain of length l is placed on a smooth spherical surface of radius R with one of its ends fixed at the top of the sphere. What will be the acceleration w of each element of the chain when its...
A vertical pole of aluminum is fixed at the base and pulled at the top by a cable having a tensile force T (see figure). The cable is attached at the outer edge of a stiffened cover plate on top of...
A vertical pole of length 'a' stands at the centre of a horizontal regular hexagonal ground of side 'a'. A rope that is fixed taut in between a vertex on the ground and the tip of the pole has a...
Lungameni Enterprises (Pty) Ltd ("Lungameni Enterprises") manufactures product A, which it sells to local customers at a mark-up of 25%. Lungameni Enterprises currently absorbs its overhead costs on...
Leigh sued an overzealous bill collector and received the following settlement: Damage to her automobile that the collector attempted to repossess ..... $ 3,300 Physical damage to her arm caused by...
A sample of 150 is drawn from a population with a proportion equal to 0.40. Determine the probability of observing a. between 50 and 54 successes. b. between 55 and 62 successes. c. between 53 and 70...
(p. 163). The Stats NZ Tatauranga Aotearoa estimates that in the 12 months to December 2020, there were 1911 lambs and 377 adult sheep on sheep farms across the country. Let p represent the true...
Classify the following decisions as being characteristic of strategic planning, tactical planning, managerial control, or operational control. Determining the mix of products to manufacture this year...
TMB Sneha had just completed her MBA and was placed in a bank. She was appointed to manage the foreign exchange department. Her manager had asked to prepare a short report on various exposures she...
Express sin 3x in terms of sin x only.
Explain how the exact value of sin 75 can be found using either Eq. (20.9) or Eq. (20.11).
Compute the heat energy (in calories) required to evaporate 1,200 g of water at 45C under an ambient pressure of 0.9 bars.
IV. Normal Distribution 9. IQ scores are said to be normally distributed with a mean of 100 and a standard deviation of 15. Label the normal curve below and then answer the questions that follow. a....
Manually determine the range, variance, and standard deviation of the set of numbers. Show the computations: a. 3, 8, 10, 14, 9, 10, 12, 21, 5, 13, 11, 10 b. 232, 212, 151, 325, 142, 132, 142, 236,...
Alex and Bess have been in partnership for many years. The partners, who share profits and losses on a 70:30 basis, respectively, wish to retire and have agreed to liquidate the business. Liquidation...
1 Frequency Domain Analysis 1. Given an input u(t) = cos(t) + 2 sin(5t) cos(5t) which is a sum of a lower frequency signal and a higher-frequency noise. Determine the feasible range of time constant...
A motor supplies a constant torque or twist of M = 120 lb ft to the drum. If the drum has a weight of 30 lb and a radius of gyration of ko = 0.8 ft, determine the speed of the 15-lb crate A after it...
A firms revenue function is R(q) = 90q 2q 2 . Its cost function is C(q) = 104 + 6q + 1.5q 2 . a. Using Excel, calculate the levels of revenue, total cost, and profit for the firm for q = 0, 1, 2, ,...
Gordon and Lisa estimate that they will need $1,875,000 in 40 years for their retirement years. If they can earn 8 percent annually on their funds, how much do they need to save annually?
A self-catalytic chemical reaction results in the formation of a compound that causes the formation ratio to increase. If the reaction rate V is modeled by V(x) = kx(a - x), 0 x 1 where k is a...
Calculus: Simpson's Rule The figure shows the graph of y = ax 2 + bx + c. Suppose that the points (-h, y 0 ), (0, y 1 ), and (h, y 2 ) are on the graph. It can be shown that the area enclosed by the...
Use the result obtained in Problem 20 to find the area enclosed by f(x) = -5x 2 + 8, the x-axis, and the lines x= -1 and x = 1.
Mediocre Company has sales of $120,000, fixed expenses of $24,000, and a net income of $12,000. If sales rose 10%, the new net income would be: Question 18 options: $16,800 $36,000 $13,200 $15,600
1. Why might managers of small restaurants decide not to adopt the standard work hour approach to controlling labour cost? (minimum 150 words )
Which statement is true regarding the U.S. GAAP impairment test for limited life intangibles? A. U.S. GAAP impairment is likely to be greater than IFRS impairment. B. The impairment test for limited...

A vertical pole of length L is placed on top of a hill of height h. From

Question:

h = Lcosasin 3 sin(a - 3)

Step by Step Answer:

We are given that and we need to prove that From the top figure we can see that Tan L h ba...View the full answer

Basic Technical Mathematics

Students also viewed these Mathematics questions