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Solve the following questions:
Question 1: A 9.0-V battery is connected to a bulb whose resistance is 2.4 ohm. How many electrons leave the battery per minute?
Question 2: What is the diameter of a 1.00-m length of tungsten wire whose resistance is 0.38 ohm?
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A 135-g quantity of a certain metal, initially at 130°C, is dropped into an insulated beaker containing 90 g of water at 20°C. The final temperature of the metal and water in the beaker is gauged as 46°C. Suppose that the heat capacity of the beaker ..
A long, straight wire of length 0.75 m carries a current of I=1.5 A in a region where B= 2.3 T. what is the angle between the field and the wire
A cube floats in water.The length of each side 8 cm. The cube is 3/4 submerged. find the weight of the cube in air
An inductor with an inductance of 2.60H and a resistor with a resistance of 14.0ohms are connected to the terminals of a battery with an emf of 7.00V, obtain the initial rate of increase of current in circuit
A block is projected with a speed of 3.0m/s on a horizontal plane. compute how far does the block slide before coming to rest
A mass of water (1.5 kg) is initially is at 2MPa and 30 percent quality and found in a spring-loaded piston-cylinder device. This device is now cooled until the water is a saturated liquid at 100 o C. Compute the total work (in kJ) produced during th..
A radio station broadcasts a signal at a frequency of 800 kHz. at a point 100 km from the transmitter the magnetic field amplitude of the electromagnetic wave from this station is 5.00 * 10^-11 T.
A container holds 2.3 mol of gas. The total average kinetic energy of the gas molecules in the container is equal to the kinetic energy of a 7.2x10-3 kg bullet with a speed of 960 m/s. What is the Kelvin temperature of the gas
A spaceship of mass 2.20×106 is cruising at a speed of 5.40×106 when the antimatter reactor fails, blowing the ship into three pieces. One section, having a mass of 4.90×105 , is blown straight backward with a speed of 2.40×106 . A second piece, with..
A commuter train blows its horn as it passes a passenger platform at a constant speed of 35.0 m/s. t is the frequency observed by a person on the platform as the train approaches
a 9.5-kg monkey is hanging by one arm from a branch and is swinging on a vertical circle. as an approximation assume a
A laser beam having 652 nm wavelength and 10microns width is fired at a very thin steel plate, which has twoslits in it. Both slits are very narrow, and they are 1 micronsapart. A diffraction pattern is observed on a screen 1 meter beyondthe plate..
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