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A hollow, conducting sphere with an outer radius of 0.245 m and an inner radius of 0.200 m has a uniform surface charge density of +6.37*10^ -6 C/m^2. A charge of -0.350 µC is now introduced into the cavity inside the sphere.
(a) What is the new charge density on the outside of the sphere?
(b) Calculate the strength of the electric field just outside the sphere
(c) What is the electric flux through a spherical surface just inside the inner surface of the sphere?
A plate carries a charge of -2.62μC, while a rod carries a charge of +2.04μC. How many electrons must be transferred from the plate to the rod, so that both objects have the same charge.
A 35 kg uniform ladder is leaned against a building. The 5 m tall ladder makes an angle of 60 degrees with the ground. What is the maximum mass that the painter can have
Two trucks of equal mass collide at a 90 intersection. If the momentum of truck A is 9.50x10^4 kg km/h east and the momentum of B is 1.05x10^5 kg km/ north, what is the resulting momentum of the final mass
q1. if work function 1.85 ev wavelength 410 nm what is stopping potential and maximum speed of photoelectrons emitted
In solid sodium chloride (table salt), chloride ions have one more electron than they have protons, find the electrostatic force between a sodium ion and a chloride ion.
A fisherman in a stream 36 cm deep looks downward into the water and sees a rock on the stream bed. How deep does the stream appear to the fisherman
Use conservation of energy to calculate the speed of the alpha particle at infinity. m/s (e) If the two protons are released from rest and the alpha particle remains fixed, calculate the speed of the protons at infinity. m/s
A 80 g, 33-{rm cm}-long rod hangs vertically on a frictionless, horizontal axle passing by its center. A 11 g ball of clay traveling horizontally at 2.5 m/s hits and sticks to the very bottom tip of the rod.
Illustrate what is its average acceleration during a stop from that velocity? Express your answer in m/s2. Consider the car's initial velocity to be a positive quantity.
Suppose the 6.0-V battery is replaced by a battery of unknown emf, and an ammeter measures I1 = 1.2 A. Find the other two currents and the emf of the battery
A coil of 160 turns and area 0.20 m2 is placed with its axisparallel to a magnetic field of 0.40 T. The magnetic field changes from 0.40 T in the x-direction to 0.40 Tin the negative x-direction in 2.0 s. If the resistance of the coil is 16 Ω, at ..
Provide your answer in m/s in scientific notation to three significant digits (i.e. 1.15*10^2)
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