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The current in a 100 watt light bulb is 0.800 Amp. The filament inside the bulb is 0.190 millimeter in diameter.
Part A Estimate the current density in the filament?
Part B Determine the electron current in the filament?
An airplane pilot fell 355 m after jumping from an aircraft without his parachute opening. He landed in a snowbank, creating a crater 1.3 m deep, Estimate the work done by the snow in bringing him to rest
a diffraction pattern is formed on a screen 110cm away from a 0.500mm wide slit. monochromatic 546.1 nm light is used.
The suspension cables on the Brooklyn Bridge are 15.75 in. diameter wire ropes. Estimate the total drag force on one of the cables in a 40 mph wind if the length of one cable is about 3000 ft and the air temperature is 70o F.
hree identical small Styrofoam balls (m = 1.81g) are suspended from a fixed point by three nonconducting threads, What is the common charge q carried by each ball
Find the change in the force of gravity between two planets when the dinstance between them becomes 10 times smaller.
Water skiers often ride to one side of the center line of a boat, as shown in Figure 7-16. In this case, the ski boat is traveling at15 m/s and the tension in the rope is 85N. If the boat does 3500 J of work on the skier in 42.8 m, what is the angle ..
One of James BOnd's adversaries is standing on a frozen lake; there is no friction between his feet and the ice. what is the magnitude of his horizontal recoil velocity
An oil of density 762 kg/m3 is poured into one arm of the tube until the oil column is 10 centimeter high. Evaluate what the density of the liquid
A charge of -3.9 micro-coulombs is launched from the positive plate of a large capacitor to the negative plate. At the positive plate, what is the distance between the plates
There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel up to 10 km. Determine the intensity level of the infrasound
A person 1.6 m tall stands 4.9 m from a reflecting globe in a garden. How large is the person's image
A 500 ohm resistor can safely dissipate a maximum power of 350 watts. The resistor is linked to a 400 volt battery.
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