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Two flywheels, one with moment of inertial 240kgm^2 and one with moment of inertial 150kgm^2 turn on the same shaft. The First wheel is fixed on the shaft, the second one is connected by a clutch, so that it can be made to turn either with the first or independently of it. Initially the first wheel is turning at 30rad/s. The second is at rest, the clutch is then operated, so that wheels turn together, what is the common angular speed.
What subatomic particle is emitted when a nucleus fissions? In terms of a chain reaction, explain what is meant by critical mass, subcritical mass, and supercritical mass.
A brick is initially 14.80 cm high and an aluminum can is initially 14.81 cm high. By how much must their temperatures be raised
A carpenter tosses a shingle horizontally off an 8.8m--high roof at 8.0m/s , How far does it move horizontally
Compute the AMA of a ramp used to move a wheelchair bound occupant 4m up if the combined mass of the wheelchair and the occupant is 90kg. the angle of inclination of the ramp is 20 degrees.
An electron of mass 9.1 * 10^-31 kg is moving in the xy-plane; its speed is 2.0 * 10^5 m/s, What are the components of the momentum of the electron
A vertical tube 1.9cm in diameter and open at the top contains 4.0g of oil (density 0.82 g/cm^3) floating on 4.0g of water. Find the gauge pressure at the oil-water interface
At a certain point in a horizontal pipeline, the water's speed is 4.00{\rm m/s}, Find the gauge pressure at a second point in the line
Potassium is an essential element that normally comprises about 0.30% of a person's body mass. What's the potassium activity in a 69kg person
a capacitor with a capacitive reactance of is connected in series with a 100 resistor across in ac source of frequency 60.0hz. what is the phase angle
A loudspeaker diaphragm is producing a sound for 2.63s by moving back and forth in simple harmonic motion. How many times does the diaphragm move back and forth
a 5 minute sample count yielded 500 counts. a 5 minute background measurement gave 125 counts. assuming negligible
One end of a wire is attached to a ceiling, and a solid brass ball is tied to the lower end. The tension in the wire is 145 N. What is the radius of the brass ball
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