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An ac generator has a frequency of 9.0 kHz and a voltage of 25 V. When an inductor is connected between the terminals of this generator, the current in the inductor is 50 mA. What is the inductance of the inductor?
n = 3.24 mol of Hydrogen gas is initially at T = 357 K temperature and pi = 2.79×105 Pa pressure. The gas is then reversibly and isothermally compressed until its pressure reaches pf = 7.62×105 Pa. How much work did the external force perform
An oscillator with a mass of 420 g and a period of 0.900 s has an amplitude that decreases by 1.90 percent during each complete oscillation.
A 290-mL spherical flask contains 0.075 mol of an ideal gas at a temperature of 345 K. What is the average force exerted on the walls
A dynamite blast at a quarry launches a rock straight upward, and 2.3 s later it is rising at a rate of 18 m/s, calculate blast speed at launch
Lead has a latent heat of fusion of 2.32x10^4 J/kg, a specific heat of 128 J/(kg K), and a melting point of 228°C. determine velocity needed to achieve melting the bullet
A beaker of water rests on an electronic balance that reads 999.0 g. A 2.4 cm-diameter solid copper ball attached to a string is submerged in the water, What is the new balance reading
A simple pendulum in a science museum entry hall is 3.51m long, has a 1.25kg bob at its lower end, and swings with an amplitude of 10.50 degrees. How much time does the pendulum take to swing from its extreme right side to its acute left side.
A 200-turn circular loop of radius 55 cm is vertical, with its axis on a line running east to west. What is the magnitude of the torque on the loop
a double-slit arrangment prduce bright interference fringrs that are seprated by 2.60 mm when the wavelengt is 589nm. what is the bright fringe separation
Air flows through the supersonic nozzle. The inlet conditions are 7 KPa and 420 degree C. The nozzle exit diameter is adjusted such that the exiting velocity is 700m/s. Calculate the exit temperature
A proton with a velocity in the positive x-direction enters a region where there is a uniform magnetic field B in the positive y-direction, The electric field should be in the...which direction
Find the minimum initial speed of a projectile in order for it to reach a height of 1783 km above the surface of the earth
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