An ice dancer with her arms stretched out starts

Assignment Help Physics
Reference no: EM13666806

An ice dancer with her arms stretched out starts into a spin by an angular velocity of 2.00 rad/s. Her moment of inertia with her arms stretched out is 3.42 kg·m2. What is her angular velocity when she pulls in her arms to make her moment of inertia 1.20 kg·m2?

Reference no: EM13666806

Questions Cloud

A man holds a double-sided spherical mirror : A man holds a double-sided spherical mirror therefore that he is looking directly into its convex surface, 55 cm from his face. The magnification of the image of his face is +0.23. What will be the image distance when he reverses the mirror (looking ..
Neglecting wind resistance how far away will the ball land : A soccer ball is kicked at an angle of 30 degrees by the flat ground, and at an initial speed of 50ft/s. Neglecting wind resistance, how far away will the ball land? Give your answer in units of ft.
How many carbon-14 nuclei decay per second : How many carbon-14 nuclei decay per second in a 70-kgperson, assuming that the person's body contains 12% of carbon and that there is one carbon-14 nucleus for every 10   12carbon-12 nuclei? How much time must pass after this person dies before the C..
Oxygen in the lungs : Oxygen in the Lungs: In the lungs, the respiratory membrane separates tiny sacs of air (pressure1.00x105Pa) from the blood in the capillaries. These sacs are called alveoli. The average radius of the alveoli is 0.125 mm, and the air inside contains 1..
An ice dancer with her arms stretched out starts : An ice dancer with her arms stretched out starts into a spin by an angular velocity of 2.00 rad/s. Her moment of inertia with her arms stretched out is 3.42 kg·m2. What is her angular velocity when she pulls in her arms to make her moment of inertia ..
What is the distance among the two points : A string with a mass/length of 0.00200 kg/m is stretched between two points by a tension of 120 N.  If the fundamental frequency is 660 Hz, then what is the distance among the two points?
Is the point where the net electric field is zero : A +16μC point charge and a -4μC point charge are separated with 3m. How far from the +16μC point charge, along the line joining the two charges, is the point where the net electric field is zero? (Other than at infinity)
Discover the separation among the lenses : A coin is located 22.0 cm to the left of a converging lens (f = 16.0 cm). A second, identical lens is placed to the right of the first lens, such that the image formed with the combination has the same size and orientation as the original coin. Disco..
What would be the frequency of the radiations emitted : Project Seafarer was an ambitious program to construct an enormous antenna, buried underground on a site about 10000 km2 in area. Its reason was to transmit signals to submarines while they were deeply submerged. Ordinarily, electromagnetic radiation..

Reviews

Write a Review

Physics Questions & Answers

  What is the fundamental resonance frequency

A 100-turn square wire coil of area 0.04m2 rotates about a vertical axis at 1500 rev/min, as indicated. The horizontal component of the Earth's magnetic field at the location of the loop is 2.0 × 10-5 T. compute the maximum emf induced in the coil..

  How much does the rocket clear the top of the wall

A rocket is fired at a speed of 71.0 m/s from ground level, at anangle of 56.0 ° above the horizontal. The rocket is firedtoward an 20.6-m high wall, which is located 20.0 m away.

  Calculate its mechanical energy relative to the ground

A 1N apple which is 5 m from the ground breaks from its stem and falls to the ground. When it has fallen a distance of 2 meters, calculate its mechanical energy relative to the ground

  Evaluate through what distance does the piston drop

Suppose a monatomic ideal gas is contained within a verticalcylinder that is fitted with a movable piston. The piston isfrictionless and has a negligible mass. Through what distance does the piston drop

  Determine the number of photons per second per square meter

Light is shining perpendicularly on the surface of the earth with an intensity of 131 W/m2. determine the number of photons per second per square meter that reach the earth

  Find the total flux through each face of the cube

A charge of 140 µC is at the center of a cube of edge 60.0 cm. No other charges are nearby. (a) Find the total flux through each face of the cube. (b) Find the flux through the whole surface of the cube. N·m2/C (c) Would your answers to parts (a) ..

  What is the energy of the first photon emitted

You are shining ultraviolet light on a gas of an unknown element. You know that an electron starts in a ground state with an energy of -13.10 eV. What is the energy of the first photon emitted

  Magnitude of velocity of mass that is moving at velocity

A block of mass 7.37 kg in outer space is moving at 1.82 m/s by no external forces acting on it. After an explosion, the block is split into two parts both having mass equal to half the mass of the original block. The explosion supplies the two masse..

  Find the charge on the outer surface of the conductor

An isolated conductor of arbitrary shape has a net charge of 6.0 uC. Inside the conductor is a cavity within which is a point charge 66.5 uC, What is the charge on the outer surface of the conductor

  A find the magnitude and direction of the force this

a proton traveling at 3.60 kms suddenly enters a uniform magnetic field of 0.750. t traveling at an angle of 55.0

  Compute what is the mass of the box

You slide a box of books at constant speed up a 34 degree ramp, applying a force of 190 Newton directed up the slope. Calculate what is the mass of the box

  Compute how long does the trip take

An astronaut leaves Earth in a spaceship at a speed of 0.960c relative to an observer on Earth. how long does the trip take

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd