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A small conductive rod of length 1.4 m moves with a constant velocity v=11 m/s in a direction parallel to a long wire carrying a current of 34 A. The the axis of the rod is perpendicular to the direction of the wire and the distance between the wire and the closest end of the rod is 0.3 m. Calculate the electric potential induced across the rod.
You pull downward with a force of 32 N} on a rope that passes over a disk-shaped pulley of mass 1.2 kg and radius 0.07 5m. Find the linear acceleration of the 0.61 kg mass.
Find the total number of lines in a 2.90 wide diffraction grating whose third-order spectrum has the 640 hydrogen- spectral line at an angular position of 39.0.
A metallic sphere has a charge of +3.7 nC. A negatively charged rod has a charge of -6.0 nC. When the rod touches the sphere, 7.2 109 electrons are transferred. What are the charges of the sphere and the rod now?
A typical compact disc stores information in tiny pits on the disc's surface. What's the frequency of electromagnetic waves that have a wavelength equal to the typical CD pit size
A coil formed by wrapping 45 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil, What is the total length of the wire
Air isn't a perfect electric insulator, but it has a very high resistivity of 3x10^13 omega*m. what fraction of the charge will flow across the air gap
A resistor is connected to a battery with negligible internal resistance. by what factor does the power dissipated in the circuit change
Charge of -3.30 nC and a charge of -6.25 nC are separated by a distance of 40.0 cm. Find out the position at which a third charge of +7.60 nC can be placed so that the net electrostatic force on it is zero.
Particle A and particle B are held together with a compressed spring between them. When they are free, the spring pushes them apart and they after that fly off in opposite directions, free of the spring.
Atennis ball of mass 5.5*10-2and a speed of 39 M/s strikes a wall at a 45 degree angle, what is the direction of of the balls impuse in relation to the wall
Construct a point charge configuration with three charges where there is a point (not at infinity) where the electric field is zero.
What is the magnitude of the passenger's acceleration.
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