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In the diagram, Disk 1 has a moment of inertia of 3.40 kg m^2 and is rotating in the counterclockwise direction with an angular speed of 7.10 rad/s about a frictionless rod passing through its center. A second disk rotating clockwise with an angular speed of 9.70 rad/s falls from above onto Disk 1. The two then rotate as one in the clockwise direction with an angular speed of 2.40 rad/s. Determine the moment of inertia of Disk 2.
a ray of light moving along the vector -i-2j undergoes refraction at an interface of two media which is the x-z
you swing a 1.65-kg rock tied to a rope in a vertical circle of radius 0.75 m. when the rock reaches the top its speed
A ship's mast reaches to a height of 15 meters above the surface of a 10-meter-deep lake. When the sun is 30° above the horizon, how long will the shadow of the mast be on the bottom of the lake?
A small conductive rod of length 1.4 m moves with a constant velocity v=20 m/s in a direction parallel to a long wire carrying a current of 32 A. Calculate the electric potential induced across the rod
Sound enters the ear, travels through the auditory canal, and reaches the eardrum. The auditory canal is approximately a tube open at only one end. The other end is closed by the eardrum. A typical length for the auditory canal in an adult is abou..
how high does it rise above the point of release. guess the speed of the car just before braking.
The speed of a certain electron is 350 km/sec. If the uncertainty in its momentum is 0.010%, what uncertainty in its location must be tolerated
If I end up with a velocity of 1 m/s going west, am I heaver or lighter than you? What is your mass, and what is your final velocity?
An elevator manufacturing company is stress-testing a new elevator in an airless test shaft. Compute its velocity when the cable snapped
An electron is brought to a point 0.2m from the center of a conducting sphere of radius 0.1m carrying a charge of 4.0x10^-6 C, What is the force acting on the electron
question a non uniform rod ab of mass m and length 2l. the mass per unit lenght of the rod is mx.at a point of the
Demonstrate the concepts pertinent to this problem. A 1.60-cm-high object is situated 20.6 cm in front of a concave mirror that has a radius of curvature of 13.1 cm. Compute (a) the location and (b) the height of the image.
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