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The frequency of a slightly damped harmonic oscillator is Fd=1000 Hz. The amplitude of this oscillator drops to 1/(e^10) after 25 cycles. What are the undamped and resonant frequncies of the oscillator
A rocket with a mass of 5 x 10^5 kg has a total energy that is 6 times its rest energy. What is the relativistic kinetic energy of the rocket
For the typical volume charge density I? = -1.1 A? 10-3 C/m3, what is the difference in the electric potential between the pipe's center and its inside wall
A child is sitting on the outer edge of a merry-go-round that is 18 m in diameter. If the merry-go-round makes 4.9 rev/min, what is the velocity of the child in m/s
The transformer on a utility pole steps the voltage down from 10000 V to 220 V for use in a college science building. At what rate is heat lost in the nonideal transformer
Two 32.4-cm metal rods, one made of copper and one made of aluminum, are placed end to end, touching each other. How far does the other end of the system of rods move
An interferometer can be used to measure very small distances, much like a caliper but with a far greater precision. How far did the movable arm of the interferometer travel
two gear wheels with radius of 25 cm an 60 cm have interlocking teach. How many radians does the smaller wheel turn
Three charges sit at the corners of an equilateral triangle with sides of length d = 3cm. Calculate the electric potential at the centre of the triangle
Alpha Centauri is 4.3 light years away. If we could make a rocket that went 4/5 the speed of light: What would the travel time be for the astronauts
A nuclear device containing 8.00kg} of plutonium explodes. The rest mass of the products of the explosion is less than the original rest mass by one part in 10^4. How much energy is released in the explosion
An ideal transformer has 50 turns in its primary and 200 turns in its secondary. 7.0- ac is connected to the primary. What is the power supplied to the primary
A 2.20-uF capacitor is connected across an ac source whose voltage amplitude is kept constant at 60.0V but whose frequency can be varied, Find the current amplitude when the angular frequency is 100 rad/s
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