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A conductor carrying a current I = 15.3 A is directed along the positive x axis and perpendicular to a uniform magnetic field. A magnetic force per unit length of 0.130 N/m acts on the conductor in
An electron moves in a circular path perpendicular to a uniform magnetic field with a magnitude of 2.02 mT. If the speed of the electron is 1.48 107 m/s, determine the following.
The four wires that lie at the corners of a square of side a= 4.20 cm are carrying equal currents i= 1.30 A into (+) or out of (-) the page, as shown in the picture. A) Calculate the y component of
Calculate the x-component of the force on a 1.0-cm long piece of the lower right-hand wire, due to the other three wires.
A 55.0-turn circular coil of radius 5.40 cm can be oriented in any direction in a uniform magnetic field having a magnitude of 0.455 T. If the coil carries a current of 23.5 mA, find the magnitude o
What is the apparent weight that the pilot feels (i.e., the force with which the pilot presses against the seat) at the bottom of the loop-the-loop? What is the pilot's apparent weight at the top of
As an approximation, assume that the radial distance between the branch and the point where the monkey's mass is located to be 84.8 cm. As it swings through the lowest point on the circle, the monke
A 5.15E+4 kg space probe is traveling at a speed of 11300 m/s through deep space. Retrorockets are fired along the line of motion to reduce the probe's speed. The retrorockets generate a force of 3.
A body is attached to one end of a horizontal spring that is fixed at its other end. Due to the spring, the body oscillates horizontally on a frictionless surface with amplitude 0.279 m. The spring
A 46-cm-long wire with a mass of 10.4 g is under a tension of 52.5 N. Both ends of the wire are held rigidly while it is plucked. (a) What is the speed of the waves on the wire?
The bond length of HF is 91 x 10-12 m. (a) Where does the axis of rotation intersect the molecular axis? (b) Calculate the zero point rotational energy.
A 75 kg skydiver can be modeled as a rectangular box withdimensions of 20cm x 40 cm x 1.8 m. What is the terminalspeed if he falls feet first.
Point charges q1, q2, and q3 are fixed at the vertices of an equilateral triangle whose sides are 2.40 m long. Find the electrostatic potential energy of this system of charges for the following cha
Tabulate the values of the quantum numbers nx, ny, nz for the 12 lowest energy levels of a particle in a container of volume V=L?
A toy car of mass 2.0 kg moving to the right with a speed of 8.0 m/s collides perfectly in elastically with another toy car of mass 3.0 kg that is moving to the left with a speed of 2.0 m/s. Immedi
The head of the hammer (m=1.5kg) moving at 4.5 m/s strikes a nail and bounces back with the same speed after an elastic collision lasting 0.075s. What is the magnitude of the average force the ham
A water heater consisting of a metal coil that is connected across the terminals of a 18-V power supply is able to heat 245 mL of water from room temperature (20°C) to boiling point in 75 s. Wh
The magnetic dipole moment of a current-carrying loop of wire is in the positive z direction. This loop is placed in the uniform magnetic field in the positive x direction. what is the direction if
If all of the initial kinetic energy is converted to the potential energy at the top of the arc, how high will the ball go?
An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges. What is the speed v final of the electron when it is 10.0cm
What is the current, potential difference and dissipated power for each when they are connected in parallel?
A ring has a radius R and charge Q. the ring is shrunk to a new radius 1/2 R with no change in its charge. by what factor does on axis potential at z = R increase?
A cubic crystal with interatomic spacing of 0.24 nm is used to select gamma rays of energy 100 keV from a radioactive source containing a continuum of energies. If the incident beam is normal to th
A sphere is placed in a uniform external electric field. Accurately draw the vector field lines for the situation when the sphere is a (i) conductor and (ii) then replaced with a uniformly polarizab