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A flat coil of wire has an area A, N turns, and a resistance R. It is situated in a magnetic field, such that the normal to the coil is parallel to the magnetic field. The coil is then rotated through an angle of 90?, so that the normal becomes perpendicular to the magnetic field. The coil has an area of 1.5 × 10-3 m2, 50 turns, and a resistance of 170 ?. During the time while it is rotating, a charge of 8.1 × 10-5 C flows in the coil. What is the magnitude of the magnetic field?
A 15.9g bullet traveling horizontally at 871m/spasses through a tank containing 14.5kg of water and emerges with a speed of 537m/s
A 5.00 g charged insulating ball hangs on a 27.0 cm long string in a uniform horizontal electric field. Given the charge on the ball is 2.00 ?C , find the strength of the field. The angle that the string makes with the vertical is 8.00° N/C.
An electromagnetic wave has an electric field amplitude of 318 V/m. What is the root mean square of the electric field of the wave
Two air-track gliders m1 and m2 are joined together with a light string. What is the tension in the cord joining gliders
A student draws the ray diagram shown in the figure but forgets to label the object, the image, which arrow represents the object, and which represents the image
A mirror produces an image of the sun, and the image is located 0.9800 m from the mirror. The same mirror is then used to produce an image of the tree. find the object distance do of the tree from the mirror
If the specific heat of the human body is approximately 0.830 kcal/kg°C and the heat of vaporization of the alcohol is 203 kcal/kg, determine the mass of alcohol necessary to lower the body temperature down to 102°F
0.60mol of argon gas is admitted to an evacuated 70cm3 container at 10 ?C. The gas then undergoes an isochoric heating to a temperature of 500 ?C. compute the final pressure of the gas
Consider an object on an incline where friction is present. The angle between the incline and the horizontal is ?, Find an expression for the acceleration of this object. Treat down the incline as the positive direction
Two equal masses collide in space away from any gravitational object. Mass A is moving in a straight line at 45 m/s, Find the speeds of the two masses after the collision
An electron moving to the right at 0.900c collides with a positron moving to the left at 0.900c. What is the wavelength of the protons
A capacitor consisting of two plates separated by a distance d of 4.25 x 10^-3, with an area A of 8.15 x 10^-4 m^2, What is the numerical value of the energy for the capacitor
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