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A square loop (sides A, B, C, D = 11 cm; I = 11 A) lies in the vertical yz plane. Looked at from the right, the current is clockwise. There is a uniform magnetic field of B = 0.9 T in the vertical z direction.
(a) What are the forces on each side? (Note: direction can be in the: x direction, -x direction, y direction, -y direction, z direction, -z direction, or the force is zero)
(b) What is the torque on the loop?
A rowboat crosses a river with a velocity of 3.51 mi/h at an angle 62.5° north of west relative to water. The river is 0.8 mi wide and carries an eastward current of 1.25 mi/h. How far upstream is the boat when it reaches the opposite shore.
Three long, straight electrical cables, running north and south, are tightly enclosed in an insulating sheath. One of the cables carries a 21.3 A current southward; the other two carry currents of 17.2 A and 10.8 A northward.
A projectile of mass m is shot straight up with initial velocity vo and feels a quadratic air resistance force of the form F =-kv2, where k=mg/u2. Find the speed of the projectile at time t while the projectile is still moving upwards
The magnetic field inside a 5cm diameter solenoid is 2.0T and decreasing at 4.0 T/s. What is the electric field strength inside the solenoid
A wire running parallel to the x-axis has a current of 3.40A in the +x direction. There is a uniform magnetic field of B=0.003 i + 0.004 j + 0.002 k Tesla. Calculate the y-component of the magnetic force acting on a piece of wire of length L = 18.0cm..
A block of mass m1 = 1.75 kg and a block of mass m2 = 5.90 kg are connected by a massless string over a pulley in the shape of a solid disk having radius R = 0.250 m and mass M = 10.0 kg. These blocks are allowed to move on a fixed block-wedge of ..
In lab, your instructor generates a standing wave using a thin string of length L = 2.10m fixed at both ends. What is the maximum transverse speed vy of the bead
A kingfisher is hovering 30m above a lake when it drops a fish its carrying. What initial speed should it have if it is to reach the fish just before the fish hits the water
A tube is open only at one end. A certain harmonic produced with the tube has a frequency of 485 Hz. The next higher harmonic has a frequency of 593 Hz. The speed of sound in air is 343 m/s. What is the integer n that explains the harmonic whose freq..
An ambulance is generating a siren sound at a frequency of 2,400 Hz. The velocity of sound is 340.0 m/s. The observer is traveling at a velocity of 24.00 m/s toward the ambulance and the ambulance is traveling at a velocity of 24.00 m/s toward the ob..
The 1994 Winter Olympics included the aerials competition in skiing. In this occasion skiers speed down a ramp that slopes sharply upward at the end. Calculate what is the skier launch speed
find static friction between the chair and the floor.
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