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A) Two metal spheres have identical size and contain charges of -6C and +14C. The spheres are touched together and then pulled apart. Determine the charge that now exists on each sphere.
B) two metal spheres have different sizes. sphere A has a charge of +8C and sphere B has a charge of +14C. Sphere B has twice as much area as sphere A. The spheres are touched together and then pulled apart. Determine the charge that now exists on each sphere.
You land on a new planet with radius 5000km. You measure the freefall acceleration due to gravity to be 8.5m/s^2 at the surface
Two identical small insulating balls are suspended byseparate 0.25-m threads that are attached to a common point on theceiling. Each ball has a mass of 8.0 × 10-4 kg.Initially the balls are uncharged and hang straight down.
A 3.00- length of copper wire at 20 has a 1.20--long section with diameter 1.8 and a 1.80--long section with diameter 0.90 . There is a current of 2.5 in the 1.8 -diameter section. What is the current in the 0.90 -diameter section? What is the magnit..
A 1000kg car moving 40m/s skids to a stop. During the skid, the only force is the frictional force between the tires and the road, which is 6000N. find the distance the car moves before coming to a stop
A spherical 0.34 kg orange, 2.0 cm in radius, is dropped from the top of a building of height 33 m. After striking the pavement, the shape of the orange is a 0.40 cm thick pancake. Neglect air resistance and assume that the collision is completely in..
Two infinite positively charged plates with a uniform chargedensity of 6.80 mC/m2 are placedparallel to the yz-plane with one plane passing through x = 0.65cm and the other through x = -0.65 cm, as shownin the diagram below
Estimate the size of sensitive cells of the human eye, provided that the entrance pupil of the eye about 1 mm in diameter under usual sunlight conditions. Assuming the size of sensitive cells is such that diffraction limit is met.
Over the last 100 years, it is estimated that the top 700 m of the ocean have been heated by 0.1 degrees Celsius. Using the thermal expansivity of water, estimate how much sea-level rise this estimate implies. How much sea-level rise would a 1 degree..
When the displacement in SHM is 0.4 the amplitude A, what fraction of the total energy is kinetic energy, What fraction of the total energy is potential energy
A cylindrical storage tank has a radius of 1.22 m. When filled to a height of 3.71 m, it holda 14 300 kg of a liquid industrial solvent.
Using your value for n, find the speed of light inside the lucite rectangle. what will be the wavelength of the light inside the material
A 60 kg person jumps off a diving board and hits the water with a speed of 21 m/s. Determine the magnitude and direction of the average force that the water exerts on the diver
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