Two ice skaters hold hands and rotate, making one revolution in 2.5 s. Their masses are 55
Question:
Two ice skaters hold hands and rotate, making one revolution in 2.5 s. Their masses are 55 kg and 85 kg, and they are separated by 1.7 m. Find
(a) The angular momentum of the system about their center of mass, and
(b) The total kinetic energy of the system.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 72% (18 reviews)
a We locate the center of mass from 85 k...View the full answer
Answered By
HILLARY KIYAYI
I am a multi-skilled, reliable & talented Market analysis & Research Writer with a proven ability to produce Scholarly Papers, Reports, Research and Article Writing and much more. My ultimate quality is my English writing/verbal skill. That skill has proven to be the most valuable asset for project writing, Academic & Research writing, Proofreading, HR Management Writing, business, sales, and a variety of other opportunities.
4.80+
24+ Reviews
60+ Question Solved
Related Book For
Fundamentals of Ethics for Scientists and Engineers
ISBN: 978-0195134889
1st Edition
Authors: Edmund G. Seebauer, Robert L. Barry
Question Posted:
Students also viewed these Mechanics questions
-
The angular momentum of a spinning wheel is 240 kgm2 /s. After application of a constant braking torque for 2.5 s, it slows and has a new angular momentum of 115 kgm2 /s. What is the torque applied?
-
The angular momentum of a particle relative to a certain point O varies with time as M = a +bt2, where a and b are constant vectors, with ab. Find the force moment N relative to the point O acting on...
-
The angular momentum of a flywheel having a rotational inertia of 0.140 kg m2 about its central axis decreases from 3.00 to 0.800 kg m2/s in 1.50 s. (a) What is the magnitude of the average torque...
-
How many orders of magnitude is 3 . 2 \ times 1 0 - 9 m smaller than 0 . 0 0 0 0 4 m ?
-
Weston Corporation manufactures auto parts for two leading Japanese automakers. Nancy Evans is the management accountant for one of Weston's largest manufacturing plants. The plant's general manager,...
-
Repeat Exercise 5 for the baseline and prequiz anxiety scores. (If your software does not have the sign test, repeat Exercise 4 for the anxiety variable.) Data from exercise 5 If your software has...
-
What are the implications for doing an internal analysis?
-
Pastina Company manufactures and sells various types of pasta to grocery chains as private label brands. The company's fiscal year-end is December 31. The unadjusted trial balance as of December 31,...
-
The following information pertains to Ivanhoe Company: Cash $22,500 Accounts receivable 125,500 Inventory 75,000 Plant assets (net) 383,000 Total assets $606,000 Accounts payable $74,500 Accrued...
-
No. 3 Prepare the payroll for the last pay period of October from Time Clerks LO 1 Report Nos. 40 and 41. The proper procedure in recording the payroll follows: Complete the payroll register....
-
An ice skater starts her pirouette with arms outstretched, rotating at 1.5 rev/s. Estimate her rotational speed (in revolutions per second) when she brings her arms flat against her body.
-
A 2-kg ball attached to a string of length 1.5 m moves in a horizontal circle as a conical pendulum (Figure). The string makes an angle q = 30o with the vertical. (a) Show that the angular momentum...
-
You are employed as a wages clerk by Harewood Builders. The following are the net wages of six employees working on a local building site for the week ending 3 August 20-9: LO2 H Greenwood 74.85 P...
-
Find the derivative. 1 f(x)=(4x3+5x)1/3
-
(5.) The Alden Oil Company buys crude vegetable oil. The refining of this oil results in four products, A, B and C, which are liquids and D, which is heavy grease. The cost of the oil refined in 19_9...
-
Derivative of 4 0 0 0 / x + 4 0 + 0 . 1 x
-
covert the polar equation r = 8 3 c o s ( ) - 4 c o s ( ) t o cartesian
-
(2-4)2 <4 Let F (z) = e +4 4
-
Why are computer spreadsheets and budget manage- ment software well suited for budgeting?
-
Describe basic managerial approaches to implementing controls and how these are implemented.
-
In your own words, define or explain the following terms or symbols: (a) [A] 0 ; (b) k; (c) t 1/2 ; (d) Zero-order reaction; (e) Catalyst.
-
A uniform, 90.0-N table is 3.6 m long, 1.0 m high and 1.2 m wide. A 1500-N weight is placed 0.50 m from one end of the table, a distance of 0.60 m from each of the two legs at that end. Draw a...
-
Flying Buttress (a) A symmetric building has a roof sloping upward at 35.0 above the horizontal on each side. If each side of the uniform roof weighs 10,000 N, find the horizontal force that this...
-
You are trying to raise a bicycle wheel of mass m and radius R up over a curb of height h. To do this, you apply a horizontal force F (Fig. 11.52). What is the smallest magnitude of the force F that...
-
American Food Services, Incorporated leased a packaging machine from Barton and Barton Corporation. Barton and Barton completed construction of the machine on January 1 , 2 0 2 4 . The lease...
-
Which of the following statements is true? Financial measures tend to be lag indicators that report on the results of past actions. LA profit center is responsible for generating revenue, but it is...
-
Andretti Company has a single product called a Dak. The company normally produces and sells 8 0 , 0 0 0 Daks each year at a selling price of $ 5 6 per unit. The company s unit costs at this level of...
Study smarter with the SolutionInn App