An ice skater starts her pirouette with arms outstretched, rotating at 1.5 rev/s. Estimate her rotational speed
Question:
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.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 46% (15 reviews)
Assume I of body minus arms 12 50 02 2 10 kgm 2 ...View the full answer
Answered By
Nazrin Ziad
I am a post graduate in Zoology with specialization in Entomology.I also have a Bachelor degree in Education.I posess more than 10 years of teaching as well as tutoring experience.I have done a project on histopathological analysis on alcohol treated liver of Albino Mice.
I can deal with every field under Biology from basic to advanced level.I can also guide you for your project works related to biological subjects other than tutoring.You can also seek my help for cracking competitive exams with biology as one of the subjects.
3.30+
2+ Reviews
10+ 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
-
A trumpet player hears 5 beats per second when she plays a note and simultaneously sounds a 440 Hz tuning fork. After pulling her tuning valve out to slightly increase the length of her trumpet, she...
-
An ice skater spinning with outstretched arms has an angular speed of 4.0 rad/s. She tucks in her arms, decreasing her moment of inertia by 7.5%. (a) What is the resulting angular speed? (b) By what...
-
A flute player hears four beats per second when she compares her note to a 523 Hz tuning fork (the note C). She can match the frequency of the tuning fork by pulling out the tuning joint to lengthen...
-
Danbury Inc is a resident Canadian corporation with worldwide operations. Canadian operations resulted in taxable income of $ 1 . 1 0 million and non - Canadian operations resulted in taxable income...
-
Dover Corporation makes printed cloth in two departments: weaving and printing. Currently, all product first moves through the weaving department and then through the printing department before it is...
-
Selected information from Juno Ltd.'s statement of financial position and income statement is shown on the following page: Additional information: 1. The bank loan was issued to finance the purchase...
-
Newmark method a. Assumes that acceleration varies linearly between \(t_{i}\) and \(t_{i}+\theta \Delta t ; \theta \geq 1\) b. Assumes that acceleration varies linearly between \(t_{i}\) and...
-
Kansas Seed Corn Supplies, a company with 100,000 shares of common stock outstanding, had the following transactions during 20X1, its first year in business: Sales ....... 1,000,000 pounds @ $5...
-
3. Given Right Triangle. Side a is 4.5 cm. Side c is 6.5 cm. Find another side and angles of the triangle. Sketch the diagram. 4. Given Force 34.0 N SE direction under angle 55 above horizontal. Find...
-
Burnt T-Shirt Company sells a variety of T-shirts. Burnt presents the following data for its first two years of operations, 2018 and 2019. For simplicity, assume that all purchasing and selling costs...
-
The position vector of a particle of mass 3 kg is given by r = 4i + 3t2 j, where r is in meters and t is in seconds. Determine the angular momentum and torque acting on the particle about the origin.
-
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...
-
Can we conclude that the old ratings have a direct causal effect on the new ratings? Explain briefly. For Exercises 13, refer to the combined cityhighway fuel economy ratings (mi/gal) for different...
-
What was it that mercantilist nations wished to acquire from their colonies?
-
Explain what is meant by the term the time value of money and provide an example.
-
What was required for the successful implementation of mercantilism?
-
What are the main characteristics of Chinas experience with economic transition?
-
On December 31, 20X1, Tiffin Township paid a contractor $2,000,000 for the total cost of a new firehouse built in 20X1 on township-owned land. Financing was by means of a $1,500,000 general...
-
A wildlife researcher is tracking a flock of geese. The geese fly \(4.0 \mathrm{~km}\) due west, then turn toward the north by \(40^{\circ}\) and fly another \(4.0 \mathrm{~km}\). How far west are...
-
Use integration by parts to evaluate the following. Check your answer by taking the derivative. x2e-xdx
-
Briefly describe each of the following ideas, phenomena, or methods: (a) The method of initial rates; (b) Activated complex; (c) Reaction mechanism; (d) Heterogeneous catalysis; (e) Rate-determining...
-
Two friends are carrying a 200-kg crate up a flight of stairs. The crate is 1.25 m long and 0.500 m high, and its center of gravity is at its center. The stairs make a 45.0° angle with respect to...
-
Forearm In the human arm, the forearm and hand pivot about the elbow joint. Consider a simplified model in which the biceps muscle is attached to the forearm 3.80 cm from the elbow joint. Assume that...
-
Refer to the discussion of holding a dumbbell in Example 11.4 (Section 11.3). The maximum weight that can be held in this way is limited by the maximum allowable tendon tension T (determined by the...
-
Estimate the hydrogen consumption required to completely remove the sulfur from a hydrotreater feedstock and to reduce the nitrogen content of the product to 15 ppm by weight. The 48.5 API naphtha...
-
A firm has 36.30 million shares of common stock outstanding at a price of $32.81 per share. The firm also has 492000.00 bonds outstanding with a current price of $1,089.00. The outstanding bonds have...
-
Commwest Bank owns $300 million of variable-rate notes yielding BBR plus 4 per cent. These loans are financed by $300 million of fixed-rate bonds costing 5 per cent.Northside Building Societyhas $300...
Study smarter with the SolutionInn App