A laser pointer is placed on a platform that rotates at a rate of 20 revolutions per
Question:
A laser pointer is placed on a platform that rotates at a rate of 20 revolutions per minute. The beam hits a wall 8 m away, producing a dot of light that moves horizontally along the wall. Let θ be the angle between the beam and the line through the searchlight perpendicular to the wall (Figure 11). How fast is this dot moving when θ = π/6?
Transcribed Image Text:
1 10 1 8 m Laser Wall
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 100% (3 reviews)
Let y be the distance between the dot of light and the po...View the full answer
Answered By
Nyron Beeput
I am an active educator and professional tutor with substantial experience in Biology and General Science. The past two years I have been tutoring online intensively with high school and college students. I have been teaching for four years and this experience has helped me to hone skills such as patience, dedication and flexibility. I work at the pace of my students and ensure that they understand.
My method of using real life examples that my students can relate to has helped them grasp concepts more readily. I also help students learn how to apply their knowledge and they appreciate that very much.
4.00+
1+ Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Mathematics questions
-
A searchlight rotates at a rate of 4 revolutions per minute. The beam hits a wall located 11 miles away and produces a dot of light that moves horizontally along the wall. How fast (in miles per...
-
The output power of a laser pointer is about 1 mW. (a) What are the energy and momentum of one laser photon if the laser wavelength is 670 nm? (b) How many photons per second are emitted by the...
-
Managing Scope Changes Case Study Scope changes on a project can occur regardless of how well the project is planned or executed. Scope changes can be the result of something that was omitted during...
-
An interior room is maintained at an air temperature of 210C by a radiant panel covering one of the room walls, calculate the temperature of the radiant panel necessary to achieve the thermal comfort...
-
Process costing Journal Entry: The Geneve Chocolate company is located in French Speaking Switzerland. The company makes truffles that are sold in propular embossed tins. The company has 2 processing...
-
Describe the governmental activities of a state or local government and identify the measurement focus and basis of accounting used in accounting and financial reporting for these activities.
-
What percentage of the variation in y is explained by the model? Exercises 1115 refer to the following data set: x1 *2 x3 69.8 7.9 37.3 62.4 32.3 9.3 20.2 40.7 66.9 13.3 30.5 48.7 87.5 27.4 38.8 35.8...
-
The balance sheet items for The Oven Bakery (arranged in alphabetical order) were as follows at August 1, 2011. (You are to compute the missing figure for Retained Earnings.) During the next two...
-
Question list K Solve for x. 54x-2 = 25 Question 1 Question 2 The solution set is . Question 3 Question 4 Question 5 Question 6 Question 7
-
Consider an abatement cost function C(e,)=(abe) 2 /2b, where is the amount of private investment to reduce abatement costs. There are J identical firms. The social damage function is D(E)=dE 2 /2....
-
Let N(t) be the percentage of a state population infected with a flu virus on week t of an epidemic. What percentage is likely to be infected in week 4 if N(3) = 8 and N'(3) = 1.2?
-
Calculate the derivative with respect to x of the other variable appearing in the equation. sin(xt) = t
-
Consider a utility function U for which U(0) = 5, U(1) = 8, and U(2) = 10. Suppose that a person who has this utility function is indifferent to either of two gambles X and Y, for which the...
-
Bai Biotech enters into a licensing agreement with Pang Pharmaceutical for a drug under development. Bai will receive a payment of 10,000,000 if the drug receives regulatory approval. Based on prior...
-
Tsingtao Companys balance sheet shows a stockholders equity book value (total common equity) of \($800,500.\) The firms earnings per share were \($3.50,\) resulting in a price/earnings ratio of...
-
Explain how the items that arise from foreign currency transactions are translated into the functional currency on initial recognition in the accounting records.
-
You jump into the air from a level floor. Which of the following are exerting a force on you: (a) the floor, (b) the Earth, (c) the air, (d) your feet?
-
You run at \(4 \mathrm{~m} / \mathrm{s}\) in the same direction as a river flowing at \(2 \mathrm{~m} / \mathrm{s}\). This speed is enough to keep you chatting with your friend who is steering a slow...
-
Jessica enrolled in a course that promised to increase her reading speed. To help judge the effectiveness of the course, Jessica measured the number of words per minute she could read prior to...
-
What are the principal alloying elements in SAE 4340 steel?
-
A lab has a culture of a new kind of bacteria where each individual takes 2 hours to split into three bacteria. Suppose that these bacteria never die and that all offspring are OK. a. Write an...
-
The number of bacteria (in millions) in a lab are as follows Time, t (h)Number, bt 0.0 ........................1.5 1.0 ........................3.0 2.0 ........................4.5 3.0...
-
The number of bacteria in another lab follows the discrete-time dynamical system where t is measured in hours and bt in millions of bacteria. a. Graph the updating function. For what values of bt...
-
Q. what are the basic logical functions used in SHA-1? How many zero bits will be added to find the hash value of "BITS" using SHA?
-
what are some ways to merge two different company networks that have different ISPs?
-
Chikako called me at the help desk, saying his computer is up and working but cannot log into the domain and can not take over the machine remotedly. He has a meeting in 25 minutes and needs files...
Study smarter with the SolutionInn App