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1) 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. b) if the velocity makes an angle of 30 degrees with the x axis find the magnitude and direction of the force.
2) Four equal charge, each of value -9 uC is placed on the corners of a square of side 20 cm; a) find the total electric potential at the center of the square, b) if the charges on the opposite sides of the diagonals are equal and opposite, what is the total potential at the center of the square.
3) a 5.0 uF capacitor, a 2.0 K omega resistor, a 60V battery and a switch are all connected in series. a) what is the current in the circuit immediately the switch closed? b) what is the current in the circuit a long time after the after the switch is closed? c) find the maxium charge accumlated on the capacitor d) what is the time constant e) find the voltage on the capacitor at t=20 ms f) what is the energy stored in the capacitor at t= 20ms
4)Given r1=20 ohms r2=40 ohms r3=60 ohms and the battery V=12V, a) find Req b) the current through each resistor c) the voltage across each resistor d) the total power supplied by the source
An ac generator with a frequency of 1.24 kHz and an rms voltage of 24.2V is connected in series with a 2.20 kOmega resistor and a 330 mH inductor. What is the average power consumed by this circuit
If the amplitude of a particle in simple harmonic motion is doubled, how are the total energy and maximum speed affected
this is all the data i hve so Consider the following film speed data: n1 = 8, n2 = 8, s1 = 0.11, s2 = 0.09. Determine the test statistic
A wire 28.0 cm long lies along the z-axis and carries a current of 8.50 A in the +z-direction. find the magnitude of the net magnetic force on the wire
Our apparent weight is actually judged not by the force of gravity pulling on us, By what percent will your apparent weight change if you were to travel from the north pole to the equator
Two boxes are connected by a cord running over a pulley as shown in Fig. 4-7. Box I of mass 8.0 kg rest on the top of the table; Calculate the acceleration of the system
An athlete crosses a 28 m-wide river by swimming perpendicular to the water current at a speed of 0.8 m/s relative to the water, How fast is the water in the river flowing with respect to the ground in m/s
What is the net electric flux through the spherical surface
I put a packing peanut on top of it, and it only took one rotation--or crank--to knock the material off from the machine and onto the ground. mass of the peanut=.001 kg, distance from the machine to the peanut=.0005m.
A 1,500 kg jeep is parked on a 30 degree slope, facing uphill. Find the normal force exerted by the road on the front wheels and on the rear wheels
Automobile windshield wipers can be used intermittently during rainfall. what determines the length of the intervals when the wiper is on and when it is off
When a potential difference of 160 V is applied to the plates of a parallel-plate capacitor, What is the spacing between the plates
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