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Consider a horizontal square plate capacitor of area 1*1 m2, capacitance in vacuum 3.5 μF, which contains a dielectric material with dielectric constant K=5. The dielectric slides frictionless and is attached via a mass less string and a mass less pulley to a block of mass 2 kg. The block pulls the dielectric from the capacitor as it falls. Calculate the speed of the block at the instant the dielectric leaves the capacitor assuming it starts at rest and that the voltage across the capacitor after the dielectric is removed is gauged to be 1000 V
A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. how fast is the roller coaster traveling at the bottom of the dip
A distant galaxy emits light that has a wavelengthof 500.7 nm. On earth, the wavelength of this light ismeasured to be 503.7 nm. Find the speed of the galaxyrelative to the earth
Young’s double slit experiment is performed with 589 nm light and a distance of 2.00 m between the slits and the screen. The tenth interference minimum is observed 7.26 mm from the central maximum. Determine the spacing of the slits.
A simple loop circuit contains an inductor with inductance 2.45×10?2 H and a capacitor. what is the maximum current through the circuit
The current in a 120-V reading lamp is 2.5 A. If the cost of electrical energy is $0.090 per kilowatt-hour, how much does it cost to operate the light for an hour
An inkjet printer uses tiny dots of red, green, and blue ink to produce an image. what is the maximum allowable dot separation
a particle of mass m is traveling at an initial speed v0 25.0 ms. suddenly a constant force of 15.0 n acts on it
question- two identical objects each of rest mass m0 moving with equal but opposite velocities of 0.50c in the
The muons created by cosmic rays in the upper atmosphere rain down uniformly on the earth's surface, although some of them decay on the way down, with a half-life of about 1.5?s (measured in their rest frame).
which the tortoise wins in a photo finish? suppose that, when moving, both animals move steadily at their respective maximum speeds.
The horse on a carousel is 3.8 from the central axis.If the carousel rotates at 8.0×10?2 , how long does it take the horse to go around twice
a thin glass (n = 1.50) converging lens for which the radii of curvature are R1 = 15.0 cm and R2 = -12.0 cm. Determine the area of the image
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