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A solid sphere of radius 8 cm made of non-conducting material is given a net charge of 4 mC. The solid sphere is placed inside a hollow shell of inside radius 24 cm, and outside radius 29 cm. The hollow sphere is made of an excellent conductor and is given a net charge of -10 mC.
Find the Electric field 1/2 way between the outer surface of the inside shell and the inner surface of the outside shell (at 16 cm from the center of both shells).
Find the Electric field 1/2 way between the inner and outer surfaces of the outside shell. (at 26.5 cm from the center of both shells).
Refrigerant-134a at 140 kPa and 10°C is compressed by an adiabatic 0.7-kW compressor to an exit state of 700 kPa and 50°C.
A piano tuner stretches a steel plano wire with a tension of 600 N. The wire is m long and has a mass of kg. What is the speed of a transverse wave on the wire?
A tiny ball of mass 0.425 g is suspended by a thread of negligible mass in a horizontal electric field of 400 N/C. what will be the deflection angle of the string
Two identical springs (neglect their masses) are used to “play catch” with a small block of mass 110g (see the figure ). Spring A is attached to the floor and compressed 10.0cm with the mass on the end of it (loosely).
A skateboarder shoots off a ramp with a velocity of 5.8 m/s,directed at an angle of 54° above the horizontal. The end ofthe ramp is 1.3 m above the ground. Let the x axis beparallel to the ground, the +y direction be verticallyupward, and take as ..
A 75 , 33 long rod hangs vertically on a frictionless, horizontal axle passing by its center. A 12 ball of clay traveling horizontally at 2.6 hits and sticks to the very bottom tip of the rod.
1.collect 10 resources other than your textbook from popular science magazines including discover scientific american
A ball is dropped from the top of a building. In the absence of air resistance, the ball will hit the ground with a speed of 49 m/s. The height of the building is
a child slides down a slide with a 29o degree incline and at the bottom her speed is precisely one-fourth what it would
A turtle ambles leisurely–as turtles tend to do–when it moves from a location with position vector r1,x = 1.97 m and r1,y = -2.35 m in a lettuce garden to another location, with position vector r2,x = 3.15 m and r2,y = -4.15 m, where the lettuce a..
A conductor is found to be transparent to ultraviolet light with wavelengths shorter than 200 nm. Assuming a permittivity equal to that of vacuum, and assuming that the effective mass equals the free-electron mass, calculate the Hall coefficient.
A film of soapy water (n = 1.33) on top of a sheet of zircon has a thickness of 219 nm. What wavelength is most strongly reflected
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