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A 1.5 m length of wire carrying 4.5 A of current is oriented horizontally in an East-West direction (conventional current flowing towards the West). At this point on the Earth's surface, the dip angle of the Earth's magnetic field makes an angle of 38 degrees to the wire. Estimate the magnitude of the magnetic force on the wire due to the Earth's magnetic field of 5.5*10-5 T at this point.
So you would use the equation ?F=ILxB?? where the x is the cross product. Plugging in current, length, and current field strength. What angle would you put in the equation as the cross product? My notes says 90 degrees, but I don't know why.
Five vectors of equal magnitude 190mm, make angles26o, -26o, 41o,-41o,and 90o with respect to the x-axis. What is the length in (mm) of the sum of these vectors?
Water (which can be considered to be an ideal fluid for this question) flows at a rate of 25L/min through a pipe of diameter7.0cm at a pressure of 6.0Pa. At one point in the horizontal pipe, calcium deposits reduce the cross-sectional area to 30cm2. ..
What is the electric field strength between the disks? A proton is shot from the negative disk toward the positive disk. What launch speed must the proton have
A Carnot cycle takes 92 cycles to lift a 10 kg mass a height of 13m. What is the temperature of the hot reservoir
A 10-kg fish is being yanked upward out of the water and the fishing line breaks. If the line is rated to a maximum 200 N tension, then what was the minimum acceleration of the fish? DRAW THE FBD!
Air is flowing at steady state through a 5 cm diameter pipe at a flow rate of 0.35 mole/min at P = 5 bar and T = 500 K. It flows through a throttle valve and exits at 1 bar.
A rifle bullet with a mass of 17.0 g traveling toward the right at 240 m/s strikes a large bag of sand and penetrates it to a depth of 21.9 cm. Determine the magnitude and direction of the friction force
When a ceiling fan rotating with an angular speed of 2.75 rad/s is turned off, a friction torque of 0.120 N.m slows it to a stop in 22.5s . What is the moment of inertia of the fan?
At the bow of a ship on a stormy sea, a crewman conducts an experiment by standing on a bathroom scale. Find the maximum downward acceleration experienced by the crewman
If a curve with a radius of 83 m is properly bamked for a car traveling 70 km/h, what must be the coefficient of static friction for a car not to skid
A thin ray of light enters a container ofroom-temperature liquid from the air. Its angle of incidence is49°. What is the index of refraction of the liquid
You slam on the brakes of your car in a panic and skid a distance on a straight and level road. If you had been traveling at half the speed, what distance would the car have skidded under the same conditions?
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