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Two long, straight, parallel wires of length 4.5 m carry parallel currents of 3.1 A and 1.1 A.
a) If the wires are separated by adistance of 3.4 cm, what is the magnitude of the force between the two wires?b) If the currents are in oppositedirections (antiparallel), how do the answers to parts (a) and (b) change?
One generator uses a magnetic field of 0.10 T and has a coil area per turn of 0.045 m2. A second generator has a coil area per turn of 0.020 m2. The generator coils have the same number of turns and rotate at the same angular speed.
A bucket filled with water has a mass of 37 kg and is hanging froma rope that is wound around a stationary cylinder of radius .042m.if the cylinder does not rotate and the bucket hangs straight down,what is the magnitude of the torque produced by ..
A plastic cylinder of length 36 cm its ends ground to convex (from the rod outward) spherical surfaces, each having radius of curvature 16 cm. How far will the image of the object lie from the right end
An electron that has a horizontal initial speed of 4.50 x 10^6 m/s enters a region that has an electric field of 120 V/m pointing vertically upward. How long does the electron take to travel 9 cm in the horizontal direction
A baggage handler drops your 8.70 suitcase onto a conveyor belt running at 1.60 . The materials are such that = 0.560 and = 0.170. How far is your suitcase dragged before it is riding smoothly on the belt?
A softball pitcher throws an underhanded pitch with the arm fully extended (straight at the elbow). Find the rotational kinetic energy of the pitcher's arm given its moment of inertia is 0.72 kg·m2
The gravitational force between two electrons that are 0.97 m apart is 5.76 multiplied by 10-71 N. Find out the mass of an electron. (Use G = 6.67 10-11 N · m2/kg2.)
a particle has a de broglie wavelength of 2.7x10-10 m.then its kinetic energy doubles.what is the particles new de
A tennis player receives a shot with the ball (0.0600 kg) traveling horizontally at60.0m/s and returns the shot with the ball traveling horizontally at34.0m/s in the opposite direction. What work does the racquet do on the ball
Three forces are applied to a wheel of radius 0.290 m, as shown in the figure below. One force (F1 = 12.0 N) is perpendicular to the rim, one (F2 = 9.05 N) is tangent to it, and the other one (F3 = 13.3 N) makes a 40.0° angle with the radius. What..
A hydrogen atom is moving at a speed of 125.0 m/s. It absorbs a photon of wavelength 97 nm that is moving in the opposite direction. By how much does the speed of the atom change
Find the net downward force on the tank's flat bottom, of area 1.60 m^2, exerted by water and air inside the tank and air outside the tank.
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