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A pair of similar wires are parallel to each other and carry a current I in opposite directions. If the radius of each wire is a and the centers of the wires are separated by a distance b. If the wires have length l b:
A. what is the total magnetic flux in the region between the wires?
B. what is the inductance per unit length of the pair of wires?
A student on a piano stool rotates freely with anangular speed of 3.16 rev/s. The student holds a 1.50 kg mass ineach outstretched arm, 0.794 m from the axis of rotation. Calculate the final kinetic energy of the system
a scuba diver releases a 2.21 cm -diameter spherical bubble of air from a depth of 13.2 m in a lake. assume the
A student ties a 500 g rock to a 1.0-m-long string and swings it around her head in a horizontal circle. At what angular velocity, in rpm, does the string tilt down ata 10^\circ angle?
A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. What is the length of the rotating string
Water flows at the rate of 2.99 kg/s through a hose with a diameter of 3.70 cm. what is the speed of water in this hose? If the hose is attached to a nozzle with a diameter of 0.750 cm, what is the speed of water in the nozzle? m/s
For each of the currents listed in table 2, and using the inductance of the coil found by experiment, determine the total stored energies in the coil
the speed of light in a certain material is measured to be 2.2*10^8 m/s. what is the index of refraction of this material
A large storage tank, open to the atmosphere at the top and filled with water, develops a small hole in its side at a point 29.0 m below the water level. Determine the speed at which the water leaves the hole
A potter's wheel (a solid, uniform disk) of mass 6.0kg and radius 25cm spins about its central axis with an angular speed of the wheel is 15rpm. Find the new angular speed of the system
a 1.0-m radius flywheel is to be made from steel in the form of a solid disc. if the flywheel when turning at 60 rpm
A 15.0-m length of hose is wound around a reel, which is originally at rest. The moment of inertia of the reel is 0.440kg· m2, and its radius is 0.160 m. When turning, friction at the axle exerts a torque of magnitude 3.40 N· mon the reel.
Consider a mass spectrometer utilized to separate the two isotopes of uranium, 238U3+ and235U3+. Assume the ions enter the magnetic field region with a speed of 6.0x105 m/s. What value of B is required to give a separation of 1.0 mm when the ions lea..
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