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Two point charges of magnitude 3.02 nC and ?1.82 nC are separated by 41.4 cm. The acceleration of gravity is 9.8 m/s 2 , and the Coulomb constant is 8.98755 × 10 9 N · m2 /C 2 . What is the electric potential at a point midway between the charges? Answer in units of V.
What is the potential energy of the pair of charges?
Machines a and b are mutually exclusive and are expected to produce the following real cash flows.
Calculate the change in heat when 17.25 g of water vapor (steam) at 100.0 degrees C condenses to liquid water and then cools to 10.00 degrees C
Loan amortization schedule Joan Messineo borrowed $15,000 at a 14% annual rate of interest to be repaid over 3 years. The loan is amortized into three equal, annual, end-of-year payments.
Susan serves on the city building commission. The city is planning to build a new subway system to extend the reach of the subway further out from the city center. Susan’s cousin, Sam, owns Subway Mobility Co., submitted the lowest bid for the syst..
For the vector field Eˆ=5exp(-2r)rˆ-3rzˆ calculate the divergence in cylindrical coordinates. Verify the divergence theorem for the cylindrical region enclosed by r=2, z=0 to 4.
Write the balanced complete ionic equations and net ionic equations for the reactions that occur when each of the following solutions are mixed. AgNO3(aq) and K2SO4(aq)
Design the circuit that interfaces a 2.5V 1mA LED to YourComputer. If a system uses a 12-bit ADC, about how many decimal digits will it have If a system requires decimal digits of precision, what is the smallest number of bits the ADC needs to have
Draw the structure of the one alkene which upon treatment with O2 followed by Zn and acid, would give rise to formaldehyde and cyclohexanone
Two loads connected in parallel are supplied from a single-phase 240-V rms source. The two loads draw a total real power of 400kw at a power factor 0f 0.8 lagging. One of the loads draws 120kW at a power factor of 0.96 leading. Find the complex po..
What is the value of a put option written on the stock with the same strike price and expiration date as the call option?
Gas in a container is at a pressure of 1.5 atm and a volume of 4.0m3. What is the work done on the gas (a)if it expands at constant pressure to twice its initial volume? (b) if it is compressed at constant pressure to one-quarter its initial volum..
A horizontal force a of magnitude 22 N is applied to a 3.25 kg psychology book, as book slides a distance d = 0.500 m up a frictionless ramp.
An object of mass m1 = 2.10 kg placed on a frictionless, Draw free-body diagrams of both objects, This answer has not been graded yet
A convex spherical mirror with a radius of curvature of 14.5 cm creates a virtual image one half the size of the real object. Where is the object.
A girl pulls her brother along on a wagon. She pulls with a force of 35 N in a direction of 29.2 degrees to the horizontal, How much work is done be the girl
from the scattering of sunlight, J. J. Thomson calculated the classical radius of an electron as having the value 2.82 ×10-15 m. Sunlight with an intensity of 500 W/m2 falls on a disk with this radius.
Now assume the particle is a proton and that its initial velocity is 254.7 m/s to the right. If the magnitude of the magnetic field is 0.98 T
A high-speed flywheel in a motor is spinning at 450 rpm when a power failure suddenly occurs. The flywheel has mass 37.0kg and diameter 71 cm. The power is off for 27.0s and during this time the flywheel slows due to friction in its axle bearings...
A 386 g object is attached to a spring andexecutes simple harmonic motion with a period of 0.240 s. If the total energy of the system is5.48 J. Find the maximum speed of the object
Two parallel plates of 0.5m high and 0.2m wide are a distance 0.25m apart. What is the Capacitance of the system. compute the Electric field
Pandora Jewellery has turn into the best choice for ladies all more than the world who desires to express their personal style. The Pandora Bracelets provide a rich array of stylish diamond jewellery developed by artisans utilizing the finest mate..
A nonconducting solid sphere of radius R has a volume charge density that is proportional to the distance from the center. That is, ? = Ar for r R, Find the expressions for the electric field inside the sphere
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