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A wire in which there is acurrent of 6.39 A is to be formed into a circularloop of one turn. The permeability of free spaceis 1.25664 × 10^-6 T· m/A. If therequired value of the magnetic field at thecenter of the loop is 6.17 μT, what is the required radius?
Demonstrate that gravitational energy is not extensive: show that the gravitational energy of a sphere of radius 'r' and uniform density varies with volume V^n and find the exponent 'n'.
1. the magnetic domains that become aligned in the iron core contribute to the overall magnetic field of the coil and
The G string of a guitar which should be 392 Hz is playing flat at 380 Hz. What percentage change in the tension of the wire is required so as to tune the string to 392 Hz
a 9.0 kg hanging weight is connected by a string over a pulley to a 5.0 kg block sliding on a flat table. if the
A mass of 0.450 kg rotates at constant speed with a period of 1.45 s at a radius of R 0.140 m . What is the rotation period for a mass of 0.550kg at the same radius
Suppose that a structure of arbitrary complexity has a number of forces applied to it (at various points) and yet is in static equilibrium. The principle of virtual work allows one to write an equation that relates the applied forces.
A paperweight, when weighed in air, has a weight of W = 7.4N. When completely immersed in water, though, it has a weight of Win water = 4.40 N. Find the volume of the paperweight.
Two particles P and Q are initially at rest 1.0 m apart. p hasa mass of 0.10 kg and Q has a mass of 0.30 kg. Describe the motion of the center of mass
A tow truck is pulling a car out of a ditch by means of a steel cable (Y = 2.0 x 1011 N/m2) that is 9.63 m long and has a radius of 0.503 cm. How much has the cable stretched
An electron moves at a speed of 15000 m/s in a circular path of radius 2.2 cm. Find the strength of the magnetic field inside the solieod
questionnbspnbspfind 3-5 different types of vacuum pumps - explain how they work - explain where you would use them -
a component with a 34 ohm resistor is rated for use at power levels not exceeding 2059 mw. how much current can safely
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