A skater is initially spinning at a rate

Reference no: EM13648892

A skater is initially spinning at a rate of 12.5 rad/s with a rotational inertia of 2.87 kg · m² when her arms areextended. What is her angular velocity after she pulls her arms inand reduces her rotational inertia to 1.64kg · m²?

Reference no: EM13648892

Questions Cloud

Find the height to which the center of the baton travels : A baton twirler throws a spinning baton directly upward. determine the height to which the center of the baton travels above the point of release

Heat flow between the waterand its external surroundings : When you take a bath, how many kilograms of hot water (36.4°C) must you mix with cold water (14.4 °C) so that thetemperature of the bath is 32.8 °C? The total mass of water(hot plus cold) is 183 kg.

Evaluate the concentrations of all species in na2so3 : Calculate the concentrations of all species in a 1.44 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.

A steel section of the alaskan pipeline : A steel section of the Alaskan pipeline had a length of 63.8 mand a temperature of 21.8 °C when it was installed. What is itschange in length when the temperature drops to a frigid -46.6°C?

A skater is initially spinning at a rate : A skater is initially spinning at a rate of 12.5 rad/s with a rotational inertia of 2.87 kg · m2 when her arms areextended. What is her angular velocity after she pulls her arms inand reduces her rotational inertia to 1.64kg · m2?

Evaluate the mole fraction of n2o(g) in the mixture : A mixture containing 0.232 mol He(g), 0.163 mol H2(g), and 0.161 mol N2O(g) is confined in a 22.00 L vessel at a constant temperature. The total pressure is 1.16 atm. Calculate the mole fraction of N2O(g) in the mixture.

Heart of darkness by joseph conrad : How is the theme of light regarded in the following excerpt from Heart of Darkness by Joseph Conrad?

Determine the partial pressure of ch4 : A gas mixture in a 4.600 L container at 415°C contains 1.00 g each of Ar, CO, and CH4. Find the partial pressure of CH4. Enter units.

Evaluate what is its frequency of oscillation : The acceleration due to gravity on the Moon is 1/6 that on theEarth. If you place a 2.0 meter long pendulum on theMoon. What is its frequency of oscillation

User Account

All Pages