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A circular disk of radius r = 0.8 m is suspended at its center C from wires AB and BC soldered together at B. The torsional spring constants of the wires are K1 = 100 N . m/rad for AB and K2 = 50 N . m/rad for BC. If the period of oscillation is 0.5 s about the axis AC, determine the mass of the disk.
An electron traveling at 697 m/s enters a9.3 T magnetic field. The angle betweenthe velocity and the field is 39o. Find the radius of the resulting circular path
Find the lowest energy of the system (in electron volts) and list the quantum numbers of all occupied states. Find when the current in the solenoid increases to 5.0 A in a period of 0.90 s.
A 1.7 kg mass is held at rest on top of a frictionless and horizontal table. A light string loops over a pulley which is in the shape of a 10 cm radius solid disk which has a mass of 1.7 kg. The light string then supports a mass of 1.7 kg which is..
Jeff of the Jungle swings on a 7.6 meter vine that initially makes an angle of 47 degree with the vertical. obtain the tension in the vine at the lowest point of the swing
A 90--nozzle with exit diameter d is attached to a hose of diameter 3d with pressure p. The nozzle changes the direction of the water flow from the hose through an angle of 90-. Calculate the magnitude of the force of the water on the nozzle if ..
A guitar string produces 4 beats per second when sounded with a 350-Hz tuning fork and 9 beats per second when sounded with a 355-Hz tuning fork. What is the vibrational frequency of the string
A converging lens with a focal length of 20 cm and a diverging lens with a focal length of -70 cm are 110 cm apart. Calculate the distance between image and diverging lens
Point B is at ft. A force vector of pounds is applied at point B. 1) Determine the x-component of the moment of the force about the origin.
if you plot a best-fit line for data on a graph of position vs. time, what units does the lines (vertical) intercept have
Calculate how far from the siren a person, with a threshold of hearing of 25.0 dB at that frequency, can be located to barely be able to hear the sound from that siren.
a single square loop of wire has a resistance of 2 ohm. the length of each side of the square is 0.5m. a magnetic field
A steam engine has a boiler that operates at 4.90 102 K, If 3.50 103 J of energy is supplied from the boiler, find the work done by the engine on its environment
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