Question: An astronomer observes that a star 12.5 light-years away moves through an angle of 0.2 in 1 year. Assuming it moved in a straight line

An astronomer observes that a star 12.5 light-years away moves through an angle of 0.2" in 1 year. Assuming it moved in a straight line perpendicular to the initial line of observation, how many miles did the star move? (1 light-year = 5.88 ×10¹²mi.) Use Eq. (8.12).

Data from Eq. (8.12)

sinθ = tanθ = θ

Step by Step Solution

★★★★★

3.31 Rating (163 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The first step is to convert the angle from seconds of ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Basic Technical Mathematics Questions!

The torque on a loop of wire (a magnetic dipole) in a uniform magnetic field is = NIAB sin , where is the angle between B and a line perpendicular to the loop of wire. Suppose an electric dipole,...

Planning is one of the most important management functions in any business. A front office managers first step in planning should involve determine the departments goals. Planning also includes...

A uniform stick of length L and mass M lies on a frictionless horizontal surface. A point particle of mass m approaches the stick with speed v on a straight line perpendicular to the stick that...

Complete the following Carolina Biological Lab: Kinematics. Please read the Distance Learning Lab Safety Agreement. By taking part in these labs, you agree to the terms in the Distance Learning...

Final Review Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Which of the following is a pair of scalar quantities? a. Speed Distance c....

DAVID DOESN'T DELEGATE Overcoming an Individual's Immunity to Change AS ANY EXPERIENCED MANAGER will tell us, being an effective delegator is crucial to using everyone's time, skills, and knowledge...

Please type the answer ******Dscus the non-price considerations of the offers. Which, if any, bid would you vote to accept for the purchase of Hershey Foods Corporation? Is your decision primarily...

Dear Tutors, Could you please upload spreasheets on how you arrived to your answers for the below questions on Timken Case (attached). 1. What is your stand-alone valuation of Torrington? Explain and...

1. How does Torrington fit with the The Timken Company? 2. What are the expected synergies? 3. What is your stand-alone valuation of Torrington? Explain and justify all the major assumptions used in...

In a paging system, page boundaries are transparent to the programmer. Explain how a loop might cause thrashing in a static allocation paging system when the memory allocation is too small.

The medians of a triangle meet at a point P (the centroid by Problem 30 of Section 5.6) that is two-thirds of the way from a vertex to the midpoint of the opposite edge. Show that p is the head of...

Jumping to conclusions is efficient if the conclusions are likely to be _ _ _ _ _ and the costs of an occasional mistake are _ _ _ _ _ , and if the jump saves _ _ _ _ _ time and effort.

4. True or False A discrete symbology starts with a bar and ends with a bar.

Find the best approximation to a solution of the given system of equations. 2x + 3y + z = 21 x + y + z = 7 -x + y - z = 14 -2y + z = 0

Find the Fourier coefficients a 0 , a k , and b k of f on [-, ]. f(x) = |x|

Find vectors x and y with ||x|| s = 1 and ||y|| m = 1 such that ||A|| 1 = ||Ax|| s and ||A|| = ||Ay|| m , where A is the matrix in the given exercise. Exercise 20 Data From Exercise 20 2 3 A =

Operating Leverage Example Consider firms A, B and C, all operating in the same industry and with identical revenues in all phases of the business cycle: recession, normal and expansion. Firm A has...

Weaver Company Income Statement For the Year Ended December 31, 2014 Sales Cost of goods sold . Gross margin Selling and administrative expenses Net operating income.. Nonoperating items: $800 500...

A stock has a beta of 0.7 and an expected return of 9 percent. A risk-free asset currently earns 4 percent. a. What is the expected return on a portfolio that is equally invested in the two assets?...