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A circular non-conducting ring is split into two semi-circles. The top half has a positive charge Q evenly distributed on it, and the bottom half has a negative charge (-Q), NOT evenly distributed. The charge on the bottom half is skewed to the left. If the voltage is zero at infinity, the voltage evaluated at the center of the ring is
Positive
Negative.
Depends on the trajectory used to go from infinity to the center
Zero
A thin film of glass (n = 1.52) of thickness 0.223 µm is viewed under white light at near normal incidence. What wavelength of visible light is most strongly reflected
A long cylindrical conductor is placed in an initially (i.e., before the cylinder is present)uniform electric field which is perpendicular to the axis of the cylinder. Find the electrical potential outside of the cylinder
A ball is thrown vertically upward with a speed of 1.86 m/sfrom a point 3.82 m above the ground. calculate the time in which the ball will reach the ground
A 3.0 kg particle with velocity v = (5.0 m/s) ihat - (6.0 m/s)jhat is at x = 3.0 m, y = 8.0 m. It is pulled by a 7.0 N force inthe negative x direction. What is the angular momentum of the particle about the origin? What torque about the origin act..
A circular loop in the plane of the screen lies in a 0.67 T magnetic field pointing into the screen. If the loop's diameter changes from 21.0cm to 6.0 cm in 0.50 s, decide the following. What is the direction of the induced current?
how much heat is required to raise an 720 g copper pan from 15 degrees celcius to 86 degrees celcius if a the pan is
Determine the capacitance of a parallel plate capacitor if the area of each plate is 0.12 m2, the separation of the plates is 2 millimeter
An initially uncharged 3.87-?F capacitor and a 6.99-k? resistor are connected in series to a 1.50-V battery that has negligible internal resistance. What is the initial current in the circuit, expressed in milliamperes?
Assume that the pressure in a room remains constant at 1.01 x10^5 Pa and the aire is composed only of nitrogen. The volumeof the room is 60.0 m^3. what mass of air (in kg) escapes from the room
A 4.8mH toroidal inductor has 140 identical equally spaced coils. If it carries an 11.5 A current, how much magnetic flux passes through each of its coils
An ideal monatomic gas is the working substance of a Carnot engine. During the isothermal expansion the volume doubles. Compute the temperature of the reservoirs between which the engine operates
A person makes a quantity of iced tea by mixing 520 g. of hot tea with an equal mass of ice at 0C. what are the final temperature and mass of the ice remaining if the initial hot tea is at temperature of 90C? 70 C?
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