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A uniform disk of mass 0.72 kg and radius 5.3 cm is mounted in the center of a 10 cm axle and spun at 717 rev/min. The axle is then placed in a horizontal position with one end resting on a pivot. The disk and axle precess around the pivot.
a) What is the magnitude of the angular velocity of precession?
b) What is the speed of the center of mass during the precession? (m/s)
c )What are the magnitude and direction of the acceleration of the center of mass? (m/s^2)
an early cyclotron had a diameter of 30 cm and used a magnet capable of applying a magnetic field of 2.0 T. What was the max kinetic energy of the protons
The potter can stop the wheel in 7.0 s by pressing a wet rag against the rim and exerting a radially inward force of 68 N. Find out the effective coefficient of kinetic friction between the wheel and the wet rag.
Standing at the edge of a cliff 33.5 m high, you drop a ball. Later, you throw a second ball downward with an initial speed of 12.7 m/s. What is the increase in speed of the second ball
To determine the location of her center of mass, a physics student lies on the lightweight plank supported by two scales 2.50 apart, as indicated . If left scale reads 300 , and right scale reads 122 .
compare with the force of gravitational attraction between them.Find the position of the particle after this time.
A beetle and a spider are sitting on a hinged door. The beetle is in the middle of the door and the spider is near the handle, what is the angular speed and tangantial Speed of the spider
A soldier is tasked with measuring the muzzle velocity of a new rifle. Knowing the principles of projectile motion, What muzzle velocity should the soldier report to his sergeant
An alternating emf source with a variable frequency fd is connected in series with a 50.0 ? resistor and a 20.3 ?F capacitor. find the angular speed at which the phasors rotate
When responding to sound, the human eardrum vibrates about its equilibrium position. What is the maximum acceleration of the eardrum
What is the strength of the electric field.
An 18 g rifle bullet travelling 180m/s buries itself in a 3.6kg pendulum hanging on a 2.8 m long string, which makes the pendulum swing upward in an arc. Verify the horizontal component of the pendulum's displacement.
A pot of hot water is boiling on your stove. The pot is in the shape of a round cylinder made of aluminum which is 10 cm in radius. What is the difference in temperature between the inner and outer sufaces of the aluminum bottom of the pot
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