Chapter 11, Problem 043 In the figure, two skaters, each of mass 55.6 kg, approach each other along parallel paths separated by 2.42 m. They have opposite velocities of 1.29 m/s each. One skater carries one end of a long pole of negligible mass, and the other skater grabs the other end as she passes. The skaters then rotate about the center of the pole. Assume that the friction between skates and ice is negligible. What are (a) the radius of the circle, (b) the angular speed of the skaters, and (c) the kinetic energy of the two-skater system? Next, the skaters each pull along the pole until they are separated by 0.69 m. What then are (d) their angular speed and (e) the kinetic energy of the system? (a) Number Units (b) Number Units (c) Number Units (d) Number Units (e) Number Units

Question
Chapter 11, Problem 043
In the figure, two skaters, each of mass 55.6 kg, approach each other along parallel paths separated by 2.42 m. They have opposite velocities of 1.29 m/s
each. One skater carries one end of a long pole of negligible mass, and the other skater grabs the other end as she passes. The skaters then rotate about
the center of the pole. Assume that the friction between skates and ice is negligible. What are (a) the radius of the circle, (b) the angular speed of the
skaters, and (c) the kinetic energy of the two-skater system? Next, the skaters each pull along the pole until they are separated by 0.69 m. What then are
(d) their angular speed and (e) the kinetic energy of the system?
(a) Number
Units
(b) Number
Units
(c) Number
Units
(d) Number
Units
(e) Number
Units
Expand
Transcribed Image Text

Chapter 11, Problem 043 In the figure, two skaters, each of mass 55.6 kg, approach each other along parallel paths separated by 2.42 m. They have opposite velocities of 1.29 m/s each. One skater carries one end of a long pole of negligible mass, and the other skater grabs the other end as she passes. The skaters then rotate about the center of the pole. Assume that the friction between skates and ice is negligible. What are (a) the radius of the circle, (b) the angular speed of the skaters, and (c) the kinetic energy of the two-skater system? Next, the skaters each pull along the pole until they are separated by 0.69 m. What then are (d) their angular speed and (e) the kinetic energy of the system? (a) Number Units (b) Number Units (c) Number Units (d) Number Units (e) Number Units

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Physics

Rotational Mechanics

Related Physics Q&A

Find answers to questions asked by students like you.

Q: A 5.8 × 105 kg train is brought to a stop from a speed of 0.85 m/s in 0.57 m by a large spring bumpe...

A: If the spring gets compressed by a distance of ‘x’ and its force constant is k, its elastic potentia...

Q: As a fish jumps vertically out of the water, assume that only two significant forces act on it: an u...

A: Click to see the answer

Q: a) Outline the 2 ideas Planck put forward to explain the black body radiation.b) Explain the concept...

A: (a) the wave theory of light explains the interference and diffraction relating to the propagation o...

Q: our forces act on an object, given by A = 48.3 N east,B = 42.3 N north,C = 64.7 N west, and D = 84.7...

A: Given,

Q: 29. A resultant force of 10. newtons is made up of two component forces acting at right angles to ea...

A: Resultant force is given by,

Q: Imagine you are on an amusement park and on a train ride. At some point the train ride follows a hor...

A: The expression for the centripetal acceleration is

Q: Five moles of an ideal monatomic gas with an initial temperature of 147 ∘C expand and, in the proces...

A: Given:Number of moles = 5Initial temperature = 147ο CHeat absorbed = 1700 JWork done = 2200 J 

Q: Before the drawbridge starts to open, it is perfectly level with the ground. The dancer is standing ...

A: Before the drawbridge starts to open, there is no tendency of motion of the dancer relative to the b...

Q: Book a FHight: Best X Jein comversahon Course Home A-2 Datalases Whitworth Library Pirate Port | Pub...

A: Part A: As mention in the question the spring and ball system doesn’t make any loss of energy. No ex...

Q: A bag of sugar weighs 1.50 lb on Earth. What would it weigh in newtons on the Moon, where the free-f...

A: Let the mass of the sugar bag be denoted by m.Let the weight of the sugar bag on the earth be denote...

Q: Which of the following about a wave pulse traveling down a long spring is true? i.  The size of the ...

A: The size of wave pulse decreases means that the amplitude of wave gets decreasing. It is called the ...

Q: What is the period for a simple pendulum of length 2m when loaded with a 3kg mass? When loaded with ...

A: Given,

Q: 1. A 175lb astronaut wearing a complete shuttle suit with life support system, weighs a total of 485...

A: The expression for the weight of the astronaut on the moon,

Q: A block of mass 4.20 kg is pushed up against a wall by a force P that makes an angle of θ = 50.0° an...

A: (a)The minimum force exerted on the block to avoid slide and the friction force will acts upwards.Su...

Q: What methods of heat transfer move the heat produced by an electric space heater? ( Conduction,Conve...

A: The heat transferred through the substance or space in three ways. Conduction, convection and radiat...

Q: A 60.0 kg athlete leaps straight up into the air from a trampoline with an initial speed of 9.0 m/s....

A: Given information:Mass of the athlete (m) = 60 kgInitial velocity of the athlete (u) = 9.00 m/sGiven...

Q: Suppose we want a satellite to revolve around the Earth  5 times a day in a circular orbit. What sho...

A: Given:

Q: 17

A: Click to see the answer

Q: Shortest Line in 3D Prove that the shortest path between two points in 5. three dimensions is a stra...

A: The distance between the two points in the three dimensions can be given as follow:

Q: A 2.75 kg block on a horizontal floor is attached to a horizontal spring that is initially compresse...

A: From conservation of energy,

Q: 16.

A: Ionization is the loss or gain of electrons by an atom or molecule whereas polarization is the displ...

Q: A Helmholtz resonator is observed to oscillate at 400 Hz when someone blows across the top of it. If...

A: The formula for the frequency of Resonance is:

Q: A 161.0-N bird feeder is supported by three cables as shown in the figure below. Find the tension in...

A: The free body diagram is shown below.

Q: A disk-shaped merry-go-round of radius 2.33 m and mass 185 kg rotates freely with an angular speed o...

A: Click to see the answer

Q: A 4600 kg helicopter accelerates upward at 2.0 m/s2. Determine the lift force exerted on the propell...

A: Equation for lift force exerted is

Q: One charge of 2.0 C is 1.5m away from a –3.0 C charge. Determine the forcethey exert on each other.a...

A: We have q1 = 2C, q2 = – 3C and r = 1.5 m.

Q: The horse exerts a backward force of 2645N for a forward distance of 25m. How much work is done?

A: Write the expression for work done.

Q: Two large forces, F1 and F2  are applied by using two cables to lift a load weighing 1 kg, as shown ...

A: Click to see the answer

Q: 12. QCA block of mass 3.00 kg is pushed up against a wall by a force P that makes an angle of 0 50.0...

A: (a)Write the equilibrium condition for the vertical direction of force.Write the equilibrium conditi...

Q: Chapter 10, Problem 023 A flywheel with a diameter of 1.73 m is rotating at an angular speed of 268 ...

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: ABook a Flight: Best Join conversation Course Home A-Z Databases Whitworth Library Pirate Port | Pub...

A: Part AFrom the given figure the potential energy is in between the oscillating distance 2mm to 8mm i...

Q: 5.80 m along a frictionless horizontal table by a constant applied force of magnitude F = 16.0 N dir...

A: a)Work done by the applied force is,

Q: for orbital velocity, do you always add 6400 km to the altitude of orbit?

A: Orbital velocity is,

Q: To get a flat, uniform cylindrical satellite spinning at the correct rate, engineers fire four tange...

A: Given data,Angular velocity =26rpmTime = 7minMass of the satellite M=4600kgMass of the rocket m = 25...

Q: A 1,175-kg car traveling initially with a speed of 25.0 m/s in an easterly direction crashes into th...

A: The final velocity of truck is,

Q: Question in image. Disregard the pen markings plz.

A: Write the expression for stopping potential

Q: In the figure below a 1.24-kg block is held at rest against a spring with a force constant K 700 N/m...

A: The kinetic energy of the block after crossing the rough patch is

Q: A thin rod has a length of 0.826 m and rotates in a circle on a frictionless tabletop. The axis is p...

A: Given,

Q: A circuit in a TV has an overall resistance of 25.3 Ω. The current in the circuit is 4.69 A. How muc...

A: Power is,

Q: Two different balls are rolled (without slipping) toward a common finish line. Their angular speeds ...

A: Given information:Radius of the first ball (R1) = 0.0713 mDistance from which it starts (D1) = 9.02 ...

Q: TOnsa What is the power output of the 20 0 resistor if the potential difference between points a and...

A: Let V be the potential difference across point a and b, Req be the equivalent resistance across it, ...

Q: 12 Two concurrent forces have a maximum resultant of 45 newtons and a minimum resultant of 5.0 newto...

A: Click to see the answer

Q: Question 12

A: Here, the figure shows the motion of the steel ball at an initial velocity u and with the angle θ.

Q: An ant walks on a piece of graph paper straight along the x axis a distance of 10.0 cm in 2.20s. It ...

A: total horizontal distance travelled, 

Q: uestion 10 A proton with a kinetic energgy of 0.20 keV follows a circular path in a region where the...

A: Click to see the answer

Q: A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt fall...

A: Use the kinematic equation to solve for the velocity of the rocket four seconds after the lift off,

Q: The 10 kg mass has a velocity of 13 m/s and is just starting to compress a spring at position 1 then...

A: According to work energy theorem the change in energy of a system is the work done on or by the syst...

Q: If a piece of an airplane suddenly becomes detached during flight, it will crash to Earth. Would it ...

A: If an aeroplane part suddenly becomes detached it crashes because it is travelling at speed less tha...

Q: A vertically mounted spring (k = 650 N/m) is compressed by 24.0 cm relative to its unstrained length...

A: Given,

Q: Two balls, each with a mass of 0.855 kg,exert a gravitational force of 8.89 × 10−11 Non each other.H...

A: The expression from gravitational force,