Calculate what is the final angular speed

Assignment Help Physics
Reference no: EM13542552

An ice skater rotating 3.85 rad/s with arms extended has a moment of inertia of 2.31 kg*m^2. If the arms are pulled in so the moment of inertia decreases to 1.15 kg*m^2, what is the final angular speed?

Reference no: EM13542552

Questions Cloud

Calculate what focal length must the objective have : A compound microscope has a barrel whose length is 18.3 cm and an eyepiece whose focal length is 1.2 cm. What focal length must the objective have so the angular magnification of the microscope is -270
Potential difference between two parallel conducting plates : The potential difference between two parallel conducting plates in vacuum is 475 V. An alpha particle with mass of 6.50×10-27 kg and charge of 3.20×10-19 C is released from rest near the positive plate. What is the kinetic energy of the alpha particl..
What is the magnitude and direction of the electric field : A very straight line of charge runs through the axis of a very long thin cylindrical shell of 2 cm radius. The shell is uniformly charged with -20 nC/cm and the line is uniformly charged with +15 nC/cm. What is the magnitude and direction of the elec..
What is the speed of the block-bullet system : A bullet of mass mb is fired horizontally with speed v1 at a wooden block of mass mw resting on a frictionless table. The bullet hits the block and becomes completely embedded within it. After the bullet has come to rest within the block, the bloc..
Calculate what is the final angular speed : An ice skater rotating 3.85 rad/s with arms extended has a moment of inertia of 2.31 kg*m^2. what is the final angular speed
Calculate the electric flux through the hole : An uncharged nonconductive hollow sphere of radius 12.0 cm surrounds a 14.0 µC charge located at the origin of a cartesian coordinate system. A drill with a radius of 1.00 mm is aligned along the z axis, and a hole is drilled in the sphere. Calculate..
Consider closed triangular box resting within horizontal : Consider a closed triangular box resting within a horizontal electric field of magnitude E = 8.24 104 N/C. Calculate the electric flux through the vertical rectangular surface of the box.
Evaluate the capacitance of the second capacitor : A capacitor is connected across the terminals of an ac generator that has a frequency of 430 Hz and supplies a voltage of 19 V. Find the capacitance of the second capacitor
The earths nearly circular orbit around sun has diameter : The Earth's nearly circular orbit around the sun has a diameter of 300 million km. Assuming it takes 365 days for the Earth to make one complete trip around the sun, find the acceleration of the Earth toward the sun... How many revolutions does the e..

Reviews

Write a Review

Physics Questions & Answers

  Find the work is done by the electric force

A charge of 27.0nC is placed in a uniform electric field that is directed vertically upward and that has a magnitude of 4.00×104 N/C. What work is done by the electric force

  Determine the amplitude of the resultant wave

Two sinusoidal waves of the same frequency travel in the same direction along a string. what is the amplitude (in cm) of the resultant wave

  Explain the difference between given wavelengths

Visible light passes through a diffraction grating that has 900 slits per centimeter, What is the difference between these wavelengths

  What is the length of the athletes jump

An athlete competing in long jump leaves the ground with a speed of 9.14 m/s at an angle of 35.0 ° above the horizontal

  Compute the cross-sectional area

a base for a building column measures 18.0 in. by 18.0 in. on a side and 12 in. high. compute the cross-sectional area

  Question1submarine when at rest underwater uses a sonar

question1submarine when at rest underwater uses a sonar device that sends 20 khz sound pulses downward from bottom of

  Find out the potential energy associated with 0.50 kg

If the mass of both weights is 150 gm, the first mass is located 30 north of east, the second mass is located 30 south of east, and the transducer sensitivity is 0.5 volts/Newton, how large a voltage do you expect to measure? Suppose the transducer h..

  Find the tangential speed of a point on the tip of the blade

An electric ceiling fan with blades of diameter 0.760m is rotating about a fixed axis with an initial angular velocity of 0.200 rev/s. What is the tangential speed of a point on the tip of the blade

  What is the speed of the bird

A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1000 Hz. What is the speed of the bird

  What is the lens'' theoretical resolution limit

A lens has diameter of 30 mm, What is the lens' theoretical resolution limit (in nm) when it is used in air with light of 550-nm wavelength

  Compute the angular velocity when person reaches

what is the minimum coefficient of static friction required between tires and race track if the car is to stay on the track at a speed of 130m/s.

  Derive an expression for the circuit current

A 150-? resistor is connected in series with a 0.250-H inductor. The voltage across the resistor is vR=(3.80V)cos[(720rad/s)t]. Derive an expression for the circuit current

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