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Please show work so I can see all the steps. A metallic sphere initially has a net charge of +4.0 nC. A negatively-charged rod initially has a net charge of -6.0 nC. When the rod touches the sphere 8.2 x10^9 electrons are transferred to the sphere. What is the new net charge on the sphere?
Two parallel slits are illuminated by light composed of two wavelengths. One wavelength is ?A = 591nm. The other wavelength is ?B and is unknown. What is the unknown wavelength
An infinitely long uniformly charged cylinder of radius R is shown. (a) Using symmetry arguments, sketch the shape of the electric field of the cylinder. (h) Use Gauss's Law to show that the electric field magnitude within the cylinder is
Kevin has a mass of 81.2-kg and is skating with in-line skates. He sees his 15.4-kg younger brother up ahead standing on the sidewalk, find Kevin's speed just before he grabbed his brother
A piece of cheese with a mass of 1.11 kg is placed on a vertical spring of negligible mass and a force constant k= 2000N/m that is compressed by a distance of 17.9cm
A laser pulse has a duration of 4.00× 10?11 s and a frequency of 6.40× 1014 Hz. How many cycles of wave are in the pulse
question1an electron is a subatomic particle m 9.11 times 10-31 kg that is question to electric forces. an electron
A loop of 50 turns and 40cm^(2) rotates with angular velocity of 300 turns per minute normal to a magnetic field of 0.5 T
Two very small spheres are initially neutral and separated by a distance of 0.55 m. find Is the force attractive or repulsive
A block of mass m=1.8 kg slides along the inside of a hemispherical bowl of radius r=0.8 m. find the normal force on the block by the bowl
The bones of a saber-toothed tiger are found to have an activity per gram of carbon that is 15.3% of what would be found in a similar live animal. How old are these bones (in years)
A current of 2.5 a runs through 20 circular wire loops of diameter 10 cm. What is the magnetic field magnitude and direction at the center of the loops? (Show the derivation of any formula that you use.)
A ball is thrown straight up from a height of 1.56m above the ground and reaches a maximum height of 8.35m before falling to the ground. What the calls total time in the air
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