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Two spherical shells have a common center. A -2.8 10-6 C charge is spread uniformly over the inner shell, which has a radius of 0.050 m. A +5.5 10-6 C charge is spread uniformly over the outer shell, which has a radius of 0.15 m. Discover the magnitude and direction of the electric field at the following distances (gauged from the common center).
1) 0.20 m (magnitude and direction)
2) .1m (magnitude and direction)
3) 0.025 (magnitude and direction)
A -2.47 ?C charge is placed at the center of a conducting spherical shell, and a total charge of +8.70, Calculate the total charge on the outer surface of the conductor
Johanna sits down at the beach on a summer evening and see a piece of wood float and lie to the beach/ waterside. Find how long does it take for the piece of wood to move
Blue laser pointers are now available. If the blue laser emits 5 mW of light at 473 nm, how many photons per second is it emitting
An organ pipe is open at one end and closed at the other. The pipe is designed to produce the note middle C, What is the frequency of the second harmonic
Several bacteria are propelled by motors that spin hair-like flagella. A characteristic bacterial motor turning at a constant angular velocity has a radius of 1.9x10 -8 m, and a tangential speed at the rim of 2.9x10 -5 m/s. (
The planet Neptune has a satellite, Proteus, which travels in an orbit 1.180*10^8 m with a period of 1.12 days. Calculate the mass of Neptune
A tightrope walker who weighs 640 N walks along a steel cable. When he is halfway across, the cable makes an angle of 0.040 rad below the horizontal. What is the cross-sectional area of the cable
one day george was experimenting with friction and attempting to pull al across the surface of a floor. george applies
a in friction problems the text uses r in place of the frictional force and normal force. derive r. and why is micro
The density of ice is 917 kg/m^3, and the density of sea water is 1025 kg/m^3. A swimming polar bear climbs onto a piece of floating ice that has a volume of 5.2m^3. What is the weight of the heaviest bear that the ice can support without sinking com..
An open container holds 0.550 kg of ice at - 15.0 degree celsius. The mass of the container can be ignored. After how many minutes does the ice start to melt
Assume that the temperature of the bullet doesn't change appreciably, how much ice is melted as a result of the collision.
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