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Two disks are rotating about the similar axis. Disk A has a moment of inertia of 4.83 kg•m2 and an angular velocity of +8.70 rad/s. Disk B is rotating with an angular velocity of-8.90 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 -3.26 rad/s. The axis of rotation for this unit is the same as that for the separate disks. Determine what is the moment of inertia of disk B?
A rectangular coil with 18 windings carries a current of 2 mA flowing in the counterclockwise direction. What torque must be applied to the loop to hold it steady
assuming that the earth is spherical and recalling that latitudes range from 0deg at the equator to 90deg n at the
A uniform metal rod, with a mass of 3.4 kg and a length of 1.3 m, is attached to a wall by a hinge at its base. Find the vertical component of the force exerted on the rod by the hinge
an electron with kinetic energy 4.90 kev circles in a plane perpendicular to a uniform magnetic field. the orbit radius
you throw a rock with an initial horizontal velocity and it hits the ground at x meters away from your feet. what if a
a solenoid with a certain number of turns n and carrying a current of 2.000 a has a length of 34.00 cm. if the
A machine gun fires 23 g bullets horizontally at 260 m/s at a constant rate of 30 bullets/s. what is the average force exerted on the door
Your personal stereo is in a dead spot caused by direct reception from an FM radio station at 91.9MHz interfering with the signal reflecting off a wall behind you.How much farther from the wall should you move so that the interference is fully constr..
A car starts from rest and accelerates uniformly over a time of 5.21 seconds for a distance of 110 m. Determine the acceleration of the car
One cycle contains two processes for an air piston-cylinder device. The first process is an isothermal process and the second process is a polytropic process (PV1.2=const). Through the first process, 0.15kG of air is expanded from 2Mpa and 350°C t..
750kg racecar took 3s to slow from 32m/s to 15m/s. What was the impluse? what was the average force applied to the brakes
A 4.0 kg block is released from rest at the top of a 30 degree frictionless incline. The block makes a head on elastic collision with another 3.0 kg block initially at rest on a horizontal surface at the bottom of the incline.
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