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Cosider a series RLC circuit. Thw applied voltage has a maximum value of 160V ans ocscillates at a frq. of 74 Hz. The circuit contains a variable capacitor, an a 850 ohm resistor, and a 4.5H inductor. Determine the value of the capacitor such that the viltage across the capacitor is out of phase with the applied voltage by 55 degrees.
air is contained in a piston/cylinder at 350K, 300kPa and occupies 0.1m^3. determine the change of availability of the system
What is the maximum potential that the dome of a van de Graaf generator can be safely charged to if its radius is 20cm and the breakdown electric field in air is 3.0MV/m
a monochromatic beam of light of wavelength 600nm is incident on a diffraction grating with a slit spacing of 1.7*10^-4cm
An asteroid is discovered heading straight toward Earth at 13 km/s. An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 min, after which the asteroid is moving at 26 degree to its original path at..
A 539 Hz sound wave travels through a substance. What is the speed of sound in the substance
A prospector finds a solid rock composed of granite (? = 2650 kg/m3) and gold. The volume of the rock is 3.40 10-4 m3 and its mass is 3.87 kg. What percentage of the rock is gold by mass
What is the maximum force on a rod with a 0.100 uC charge that you pass between the poles of a 1.50 T strength permanent magnet at a speed of 5.00 m/s
A speed skater moving across frictionless ice at 8.1{\rm m}/{\rm s} hits a 6.0{\rm m} -wide patch of rough ice. What is her acceleration on the rough ice
Object A of mass 1 kg and velocity 10 m/s east collides with object B of mass 2 kg and veocity 8 m/s south. What is the velocity of object B after the collision
An object of mass m is attached to a horizontal spring, stretched to a displacement A from equilibrium and released, undergoing harmonic oscillations on a frictionless surface with period T0. The experiment is then repeated with a mass of 4m. The sub..
In a classic clip on America's Funniest Home Videos, a sleeping cat rolls gently off the top of a warm TV set. (Ignore air resistance and consider upward motion to be positive with zero at the top of the TV).
The average depth of Earth's oceans is 2.236 mi. Suppose 68% of the earth is covered in water and that the population of the earth is 6.33 billion. (a) How much water mass on the surface of earth is there per person and (b) to help visualize it, w..
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