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Two disks are rotating about the same axis. Disk A has a moment of inertia of 3.6 kg· m2 and an angular velocity of +7.6 rad/s. Disk B is rotating with an angular velocity of -10.8 rad/s. The two disks are then linked together without the aid of any external torques, therefore that they rotate as a single unit with an angular velocity of -2.6 rad/s. The axis of rotation for this unit is the same as that for the separate disks. What is the moment of inertia of disk B?
A spherically symmetric object, with radius = 0.50 m and mass = 1.9 kg, rolls without slipping across a horizontal floor, with velocity = 0.8 m/s. It then rolls up an incline with an angle of inclination = 28o and comes to rest a distance = 3.9 m ..
The strongest person in the world lifted th read end of his car a mass of 615 kg a verticle distance of .24 meters. How much work did he do to life the car
A wire has a diameter of1.7 mm and length of 1.3 m. If it's resistance is 15 m(Ohms), What is the restivity of the metal from which it is made
A 218.7 kg satellite is in a circular orbit of 26,273 miles (42,300,000 m) in radius. What is the velocity (speed) of the satellite
White light, which is a mix of all visible wavelengths in the range of 400 nm to 700 nm, What is the thickness of the plate if the next wavelength for which there is constructive interference is 540.6nm
Cosnider Children playing on a merry go around that is 6m in diamter, turning at 10 revelutions per minute. What will the Coriolis Force observed on a 600 gram basketball thrown with a horizontal speed of 5m/s? It is thrown between two children on o..
An ocean thermal-energy power plant takes in warm surface water at a temperature of 26oC, What is the maximum possible efficiency of this power plant
A rifle with a weight of 20 N fires a 3.5-g bullet with a speed of 250 m/s. (a) Find the recoil speed of the rifle. Incorrect: Your answer is incorrect. Your response differs from the correct answer by more than 10%. Double check your calculations. m..
suppose the driver in this example is now moving with speed 36.5 ms and slams on the brakes stopping the car in 5.3
What is the frequency of the note played by this pipe.
The objective of a refracting astronomical telescope has a focal length of 3.60 m. What is the angular magnification of the telescope
A rock is kicked off the edge of a cliff 45.0m high with an initial velocity of 10.0m/s in the horizontal direction. How far from the bottom edge of the cliff does it land
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