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A proton has a velocity of 9.0 101 m/s + 1.9 102 m/s and is located in the z = 0 plane at x = 3.1 m, y = 3.6 m at some time t = T. Find the magnetic field in the z = 0 plane at the following.(a) x = 2.2 m, y = 2.2 m(b) x = 5.6 m, y = 3.6 m(c) x = 3.1 m, y = 5.6 m
Three long, parallel, straight wires pass through the vertices of an equilateral triangle that has sides L = 11.6 cm, as shown in the figure below. A a dot indicates that the direction of the current is out of the screen and a cross indicates that..
what kind of collision is exhibited by a marble going down a chute onto a ruler and colliding with four other marbles on the ruler, and why?
At amusement parks, there is a popular ride where the floor of a rotating cylindrical room falls away, leaving the backs of the riders "plastered" against the wall. Suppose the radius of the room is 4.00 m and the speed of the wall is 10.4 m/s whe..
The hammer throw is a track-and-field event in which a 7.30-kg ball (the hammer) is whirled around in a circle several times and released. It then moves upward on the familiar curved path of projectile motion and eventually returns to the ground s..
You have a thermodynamic system with three states. You observe the probabilities p1 = 0.9, p2 = 0.09, p3 = 0.01 at T = 300K. What are the energies "2 and "3 of states 2 and 3 relative to the ground state?
The ground level of the neutral lithium atom is doubly degenerate (that is, g = 2). The first excited level is 6-fold degenerate and is at an energy 1.2 eV above the ground level. In the outer atmosphere of the sum, which is at a temperature of ab..
You witnessed a hit-and-run accident when you were driving a car at velocity u towards a radio station very far ahead on the street. Here is how it happened: you were listening to the radio when you \saw" a car driving towards you hit a person sta..
An AC adapter for a telephone answering machine uses a transformer to reduce the line voltage of 120 V to a voltage of 5.00 V. The RMS current delivered to the answering machine is 400 mA. If the primary (input) coil of the transformer has 600 tur..
A resonant circuit in a radio receiver is tuned to a certain station when the inductor has a value of 0.311 mH and the capacitor has a value of 16.4 pF. Calculate the frequency of the radio station.?
An AC voltage source has an output of ?V = 163.0 sin(582t) Volts. Calculate the RMS voltage. What is the frequency of the source?
What is the charge on each sphere if the two charges are alike?
A dime is placed in front of a concave mirror that has a radius of curvature R = 0.15 m. Determine the distance between the dime and the mirror
You pull a 12 kg sled across the floor with a strap that is at an angle of 31° above the horizontal with a force 76 N. Determine the magnitude of the acceleration of the sled, given that the coefficient of kinetic friction between the suitcase an..
Water is pumped at 250 m^3/min from a lake into a tank 65.0 m above the lake. What power (in kW) must be delivered by the pump
You are researching personal watercraft (PWC) safety. These vehicles have a well known safety issue in which the rider loses stearing control when there is no thrust from the engine.
A very long solenoid with a circular cross section and radius r= 8.1cm with n= 1.90E+4 turns/m has a magnetic energy density uB= 5.70 mJ/m3. What is the current in solenoid.
A section of copper transmission line carries a steady current of 265A and has resistance 0.82 ohem, Ignoring the energy needed to refrigerate the superconductor, how much energy will be saved in one year
A basketball player is trying to make a half-court jump shot and releases the ball at the height of the basket. what speed must the player give the ball
What should be the minimum initial speed of the dart so that combination makes a complete circular loop after the collision. find the minimum diameter of the raft that would prevent the diamond from being seen.
An object of mass 1.0kg is attached to a spring with spring constant 15 N/m. what is the amplitude of oscillation
A commuter train blows its horn as it passes a passenger platform at a constant speed of 60.0 m/s. What is the frequency observed by a person on the platform as the train approaches
A bicycle tire with a radius of 0.42 m has a linear velocity of 2.6 m/s and an tangential acceleration of - 1.0 m/s2. What is the angular velocity of the tire
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