A diver in midair has an angular velocity

Assignment Help Physics
Reference no: EM13673972

A diver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.6 kg· m2. He then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. The net external torque acting on the diver is zero. What is his moment of inertia in the tuck position?

Reference no: EM13673972

Questions Cloud

Decide the spring constant : A rifle fires a 1.26 x 10-2-kg pellet straight upward, as the pellet rests on a compressed spring that is released when the trigger is pulled. The spring has a negligible mass and is compressed by 7.92 x 10-2 m from its unstrained length.
What is the radius of the wheel : During 0.25 s, a wheel rotates during an angle of 3.62 rad as a point on the periphery of the wheel moves with a constant speed of 2.23 m/s. What is the radius of the wheel?
Subway car placed in tunnel will execute harmonic motion : Consider drilling a tunnel among any two points on the Earth’s surface (this tunnel does not necessarily pass during the center of the Earth). Assuming that the tunnel is frictionless and that the Earth has uniform density:
What is the wavelength of the light utilized in experiment : A double-slit interference pattern is created with two narrow slits spaced 0.2 mm apart. The distance among the first and the fifth minimum on a screen 60mm behind the slits is 6.0 mm. What is the wavelength of the light utilized in the experiment?
A diver in midair has an angular velocity : A diver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.6 kg· m2. He then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s.
What is the mass of the caboose : A 50000-kg railroad freight car collides with a stationary caboose car. They couple together, and 31 percent of the initial kinetic energy is dissipated as heat, sound, vibrations, etc. What is the mass of the caboose?
Calculate the electrical energy utilized : How long could this energy be used to burn ten 60 W light bulbs? If this energy were used to raise a car of mass 1845 kg, to what height would the car be raised?
Child starts from rest from the top of a frictionless slide : A 54.0-kilogram child starts from rest from the top of a frictionless slide that is 4.6 m. tall. The bottom of the slide is 22.8 cm above the ground. What is the child's speed at the bottom of the slide?
A projectile is fired up into the air at a speed : A projectile is fired up into the air at a speed of 166 m/s at an angle of 38° relative to the horizontal. Decide the MAXIMUM HEIGHT the projectile will reach.

Reviews

Write a Review

Physics Questions & Answers

  Determine the rate of heat transfer from the air

Consider a heat exchanger. Air is used to heat the liquid water. The entering air temperature is 350deg C and entering water temperature is 20degC. The water is heated to saturated vapor at 1.5MPa. The mass flow rate of air and water are 30kg/min ..

  What exit speed could a skier reach in the absence of air

a professional skiers initial acceleration on fresh snow is 90 of the acceleration expected on a frictionless inclined

  Calculate the magnitude of the frictional force

Two blocks with masses M1=7.90kg and M2=1.20kg are attached by a thin string which goes over a frictionless, Calculate the magnitude of the frictional force acting on M1

  Compute the angle between the ramp and the horizontal

A 8.50-kg block of ice, released from rest at the top of a 1.41--long frictionless ramp, slides downhill, reaching a speed of 2.71 at the bottom. What is the angle between the ramp and the horizontal

  Surface remains in placeduring the rapid rotation

Certain neutron stars (extremely dense stars) are believed to berotating at about 100 rev/s. If such astar has a radius of 13 km, what must beits minimum mass so that material on its surface remains in placeduring the rapid rotation?

  Compute by how much is the column compressed

A 3.0 m tall, 54 cm diameter concrete column supports a 190,000 kg load. By how much is the column compressed

  Life scientists use ultracentrifuges to separate biological

life scientists use ultracentrifuges to separate biological components or to remove molecules from suspension. samples

  Determine the maximum magnetic flux through an inductor

Determine the maximum magnetic flux through an inductor connected to a standard outlet (?Vrms = 120 V, f = 60.0 Hz)

  Find the translational kinetic energy of the center of mass

Two automobiles, each of mass 1.500*10^3 kg, travel in the same direction along a straight road. find the translational kinetic energy of the center of mass

  The height of a typical am radio stations tower is

the height of a typical am radio stations tower is one-fourth of the radio wavelength. how high should the tower be for

  What is the work done by gravity by the time

A piñata of mass 3.50 kg is attached to a string tied to a hook in the ceiling. What is the work done by gravity by the time the string is in a vertical position for the first time

  What is the maximum possible acceleration of a car

In the Soapbox Derby, young participants build non-motorized cars with very low-friction wheels, What is the maximum possible acceleration of a car moving down this stretch of track

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