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A material has a dielectric constant of εr=3.0 andhas an atomic density of 1028 atoms per cubic meter. If only two electrons in the outer orbital shell will distort with anapplied E-field, and both electrons follow the same orbital path asa pair, find the spacing between the center of the nucleus and the average location of the electrons when the applied E-field is10,000[V/m].
A sample containing beryllium (atomic mass 9 u), aluminum (27 u), and an unknown element is placed in a mass spectrometer. What is the mass of the unknown element
A bird flies 3.0 km due west and then 2.0 km due north. What is the magnitude of the bird's displacement
The 3.90kg physics book shown is connected by a string to a 474.0g coffee cup. How far does the book slide before it has zero speed
An alpha particle (alpha), which is the same as a helium-4 nucleus, is momentarily at rest in a region of space occupied by an electric field. What is the final velocity of the alpha particle
An object moves with constant acceleration 4.00 m/s^2 and over a time interval reaches a final velocity of 12.0 m/s. If its initial velocity is 6.00 m/s, what is its displacement during the time interval?
A dolphin in seawater at a temperature of 25 °C makes a chirp. How much time passes before it hears an echo from the bottom of the ocean, 208 m below.
what is the new force between the objects. if Andromeda contains roughly the same number of stars and attracts the Milky Way with a gravitational force of 2.4*10^30N.
A cube of ice is taken from the freezer at -9.4°C and placed in a 94 g aluminium calorimeter filled with 315 g of water at room temperature of 20°C. The final situation is observed to be all water at 19°C. What was the mass of ice cube.
In an oscillating LC circuit, L = 3.20 mH and C = 2.20 µF. At t = 0 the charge on the capacitor is zero and the current is 2.40 A. (a) What is the maximum charge that will appear on the capacitor?
What is the probability density equation as a function of angle for a simple pendulum using the small angle approximation
A bullet of mass 6.0g is fired horizontally into a 2.6 kg wooden block atrest on a horizontal surface. At what speed is the bullet fired
A golfer imparts a speed of 29.6 m/s to a ball, and it travels the maximum possible distance before landing on the green. The tee and the green are at the same elevation.
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