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A sine wave with amplitude 20V is connected to a 10K resistor. Calculate the peak, rms, and average currents through the resistor.
What power rating should the resistor have?
Sound is passing perpendicularly through an open window whose dimensions are 1.1 m x 0.75 m. How much sound energy comes through the window
A roller coaster track has a hill with a circular curve of radius r =15 m. What is the normal force on the 60-kg passenger
Two cars of mass 2000 kg and 1000 kg, respectively, collide inelastically. Find the initial speed and direction of the lighter car
The density of free electrons in gold is 5.90 x 10^28 m-3. The resistivity of gold is 2.44 x 10-8 at a temperature of and the temperature coefficient of resistivity is 0.004 ()-1. A gold wire, 1.30mm in diameter and 27cm long, carries a current of..
Suppose that a block of mass m = 9.0 kg moving with speed V is behind a block of mass M = 27 kg and speed of 0.5 m/s, How much kinetic energy of the blocks is lost due to the collision
A 60.0-kg runner expends 360 W of power while running a marathon. determine the volume of bodily fluid (assume it is water) lost per hour
The basic function of an automobile's carburetor is to atomize the gasoline and mix it with air to promote rapid combustion
A 1.81 kg block and a 3.62 kg block are initially at rest on a frictionless, horizontal surface, How much does the kinetic energy of the system increase
The nucleus of an atom can be modeled as several protons and neutrons closely packed together. Each particle has a mass of 1.67 10-27 kg, Estimate the density of the nucleus of an atom
A certain atom has an energy level 3.70eV above the ground state. When excited to this state, it remains 9.00%u03BCs , What is the wavelength of the photon
find the potential difference across the capacitor. A conductor consists of a circular loop of radius R and two straight, long sections. The wire lies in the plane of the paper and carries a current I.
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 68.80 diopters, If the writing on the blackboard is 5.70 cm high, what is the size of the image on her retina
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