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The drawing shows a copper wire (negligible resistance) bentinto a circular shape with a radius of 0.48 m. The radial sectionBC is fixed in place, while the copper bar ACsweeps around at an angular speed of 16 rad/s. The bar makeselectrical contact with the wire at all times. The wire and the barhave negligible resistance. A uniform magnetic field existseverywhere, is perpendicular to the plane of the circle, and has amagnitude of 3.4 x 10-3 T. Find the magnitude of the current induced in the loop ABC.
A rocket is fired vertically and ascends with a constantvertical acceleration of 20 m/s2 for 1.0 min. What is the maximum altitude reached
An antenna radiates with U(x,0)=1 for -1
Consider a parallel plate capacitor with plates of size 2 cm times 2 cm, with a distance of 2 mm between the plates. find the speed with which the proton hits the negative plate
A rifle bullet weighing 17 gand traveling 240 m/s penetrates a 2.5 kg block of wood and emergesgoing 175 m/s. how fast does it move after the bullet emerges
A 20.0- projectile is fired at an angle of 60.0 above horizontal with a speed of 80. At the highest point of its trajectory, projectile explodes into two fragments with equal mass, one of which falls vertically with zero initial speed. You can ign..
Under ambient conditions (T=300K), the intrinsic electron concentration of silicon is 1.45*10^10 cm^-3. Calculate the band gap energy of the semiconductor
Two students, Nora and Allison, are both the same age when Allison hops aboard a flying saucer and blasts off to achieve a cruising speed of 0.830c for 25.5 years round trip
q1. charge is scattered uniformly throughout a long cylindrical shell of inner radius r and out radius 2r. at what
a charge q= 8 uC is moving along the x axis with a velocity of v=4 x 10^4 m/s. a magnetic field of magnitude B=3T is along the y-axis. a) find the magnitude and direction of the net force acting on the charged particle.
A thin nonconducting spherical shell of radius 6 cm carries a uniform surface charge density ? = 9 nC/m2. What is the total charge on the shell
A block of unknown mass, m, is brought into the configuration shown. It was measured that upon release the block shot upward a maximum distance of 2m. Calculate the mass of this block? The upper spring has a natural length of 1m, and the lower spr..
the man and the platform together weigh 1200 N. The pulley can be modeled as frictionless. Elucidate how hard the man has to pull on the rope to lift himself steadily upward above the ground.
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