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Question: The picture shows two long, parallel wires. The upper wire carries a current of 3.0 A to the right & the lower wire carries a current of 1.0 A to the left.
[A] What is the magnitude of ∮B – ds when the integral is taken along path B in the diagram? (μo= 8.85⨉10-12 F/m)[B] What is the value of the integral ∮B – ds when the integral is taken along path A in the diagram? (μo= 8.85⨉10-12 F/m)[C] A rectangular loop of wire is placed midway between two long straight parallel conductors, as shown. The conductors carry currents i1 = 10 A & i2 = 20 A in a direction as indicated. If i1 is increasing at 1 A/sec. Calculate the magnitude & direction (clockwise or counter clockwise) of the current which is induced in the loop.
A spring stiffness 900 N/m and relaxed length 1m stands vertically on a table. You hold a block of mass 1 kg barely touching the top of the spring. Assume you let the mass down onto the spring certain distance very slowly and view the mass is not mov..
Water runs out of the horizontal drainpipe at the rate of 120 liters per minute. It falls 3.20 m to the ground. Assume the water doesn't splash up, what average force does it exert on the ground? (1 liter = 1 kg.)
Two points are located on a rigid wheel that is rotating with an increasing velocity about fixed axis. The axis is perpendicular to the wheel at its center. Point 1 is located on the rim and point 2 is halfway between rim and axis .at any given insta..
Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass and radius of orbit. The satellites fire rockets that provide force needed to keep a circular orbit around the space stat..
A small ball of 53 grams is suspended from a string of length 86 centimeters and whirled in a circle lying in the horizontal plane. If the string makes and angle of 31 degrees with the vertical, find out the centripetal force experienced by the ball...
Suppose that a structure of arbitrary complexity has a number of forces applied to it (at various points) and yet is in static equilibrium. The principle of virtual work allows one to write an equation that relates the applied forces.
Find the surface tension force on water inside a tube and height to which the water rises in the tube.
How close to the edge of the 28.0 kg table, that is 2.2m with legs 1.2m apart, can a 62.0 kg person sit without tipping it over.
What is tension in each of the cables
The effects of the spin of the earth
Macaroni and cheese packages specify how long to cook the pasta in boiling water. Calculate the concept relating temperature and pressure in cooking of food.
What is size of the gravitational force on the moon
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