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Sphere 1 with radius R1 has positive charge q. Sphere 2 with radius 7.0R1 is far from sphere 1 and initially uncharged. After the separated spheres are connected with a wire thin enough to retain only negligible charge, what fraction of q ends up on
(a) sphere 1 and
(b) sphere 2?
(c) What is the ratio of the final surface charge density of sphere 1 to that of sphere 2? (Answer with 2 significant figures.)
A 1030 Kg car going 3.4m/s through a parking lot hits and sticks to the bumper of a stationary 1140 kg car. Find the speed of the joined cars immediately after the collision
Deuterium is a heavy isotope of Hydrogen with a nucleus containing one proton and one neutron. In the Balmer series n=4 goes to n=2 line in a hydrogen spectrum had a nearby weak neighboring line. What is the separation of wavelength of these lines? (..
Ethyl alcohol (C2H5OH) has a density of806 kg/m3 and a volume of 1.34 10-3m3. Find the number of molecules in the liquid
A charge of 2.19 µC is held fixed at the origin. A second charge of 2.19 µC is released from rest at the position (1.15 m, 0.470 m) . If the mass of the second charge is 2.10 g, what is its speed when it moves infinitely far from the origin?
In an adiabatic centrifugal compressor atmospheric air at 15 degree Celsius is compared to 600kPa pressure. Find the specific compression work and the efficiency of the compressor
violet light and red light travel through air and strike a block of plastic at the same angle of incidence. the angle
In fluorescence microscopy, an important tool in biology, a laser beam is absorbed by target molecules in a sample. what minimum energy must each pulse have
A 26.0 kg block atrest on a horizontal frictionless table is connected to the wallvia a spring with a spring constant k= 34.0 N/m. A 2.30E-2 kgbullet travelling with a speed of 5.000E+2 m/s embeds itself in the block. What is the amplitude of the ..
Determine the time it takes for the particle. A particle is traveling in a straight line at a constant speed of 28m/s. Suddenly, a constant force of 15.6N acts on it, bringing it to a stop in a distance of 66.8m.
From the top of a mountain a hiker looks at the next mountain top in the distance and notes the compass direction of the peak. how far has the hiker walked
A thin rod of length 8.5 m and mass 23 kg is supported at a 37? incline. One support is 2.1 m, Find the normal force exerted on the rod by the upper support
A horizontal water main with a cross-sectional area of 196 cm2 necks down to a pipe of area 40.4 cm2. Determine the flow rate through the system, taking the fluid to be ideal
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