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The oxygen molecule O2 has a total mass of 5.30 x 10-26 kilogram and a rotational inertia of 1.94 x 10-46 kg·m2 about an axis through the center of the line joining the atoms and perpendicular to that line. Assume the center of mass of an O2 molecule in a gas has a translational speed of 390 m/s and the molecule has a rotational kinetic energy that is 2/3 of the translational kinetic energy of its center of mass. Find the molecule angular speed about the center of mass.
(rad/s)
A piece of metal, when weighed in air has a weight of 20.7 newtons. When completely submerged in blood( density of blood=1060kg/m^3) the metal has a weight of 12.7 newtons. What is the density of the the metal
A nuclear power plant draws 3.5 x 10^6L/min of cooling water from the ocean, what is the water speed in each pipe
Tarzan, in one tree, sights Jane in another tree. He grabs the end of a vine with length 21m that makes an angle of 50? with the vertical, Calculate Tarzan's speed just before he reaches Jane
Calculate the fluid force (in Newtons) on a square plate with aside of 6 m that is submerged at ahorizontal angle of 30°. Assume that the top edge of the platelies at a depth of 5 m in the water
The microwave radiation left over from the Big Bang explosion of the universe has an average energy density of 4. 10-14 J/m3. What is the rms value of the electric field of this radiation
A flywheel in a motor is spinning at 560 when a power failure suddenly occurs. The flywheel has mass 40.0 and diameter 75.0. The power is off for 34.0, and during this time the flywheel slows down uniformly due to friction in its axle bearings. Durin..
Fred and Barney are two electric charges that are to begin with held 1 meter apart and experience an electric repulsion of 10 pounds of force. What would be the force of repulsion between them be if the two were moved closer together so that they ..
A cylindrical copper cable carries a current of 1330 A. There is a potential dissimilarity of1.60 10-2 V among two points on the cable that are0.26 m apart. What is the radius of the cable?
Suppose a pulsar of mass 1.50 *10^30 kg and radius 20.0 km is spinning at the rate of 2.10 rev/s and is slowing down at the rate of 1.40*10^-15 rev/s^2. how long will it take the pulsar to come to a stop
To push a 32 kg crate up a frictionless incline, angled at 34° to the horizontal, a worker exerts a force of 280.6 N, parallel to the incline. What is the total work done on the crate
While running home from second base a 67 kg runner rounds third base at a speed of 3.1 m/s, What is the centripetal force of this turn on third base
Calculate the energy (in MeV) released when α decay converts thorium 228Th (atomic mass = 228.028715 u) into radium 224Ra (atomic mass = 224.020186 u). The atomic mass of an α particle is 4.002603 u.
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