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An electron moving parallel to the x axis has an initial speed of 3.70 X 10^6 m/s at the origin. Its speed is reduced to 1.40 X 10^5 m/s at the point x = 2.00 cm. (a) Calculate the electric potentia
A step down transformer produces a voltage of 6 V across the secondary coil when the voltage across the primary coil is 120 V. What voltage appears across the primary coil of this transformer is 120
A solenoid is 1.5 m long and has 470 turns per meter. What is the cross sectional area of this solenoid if it stores .31 J of energy when it carries a current of 12 A?
A generator is designed to produce a maximum emf of 170 V while rotating with an angular speed of 3600 rpm. Each coil of the generator has an area of .016 m^2. IF the magnetic field used in the gene
A single conducting loop of wire has an area of .2 x 10^-2 m^2 and a resistant of 110O. Perpendicular to the plan of the loop is a magnetic field of strength .48 T at what rate ( in T/s) must this f
At a certain location the Earth's magnetic field has a magnitude of 5.9 x 10^-5 T and points in a direction that is 72 degrees below the horizontal. Find the magnitude of the magnetic flux through t
Find the magnitude of the magnetic flux through the floor of a house that measures 22m by 18 m. assume that the earth's magnetic field at the location of the house has a horizontal component of 2.6
What is the airplane's vector angular momentum relative to a wheat farmer on the ground directly below the airplane?
If the frequency of light emitted by the taillights of the car that passes you is 4.3 multiplied by 1014 Hz, what frequency will you observe? What is the change in frequency?
A 6.00 resistor, 10.0 mH inductor, and a 150 µF capacitor are connected in series to a 60.0 V (rms) source having variable frequency. Find the energy delivered to the circuit during one period
Compute the magnetic field of a torso with 60 turns, if the current in each turn has a magnitude of I=0.2A at a distance of 25cm from the toroids center. (within toroid)
What is the magnitude of the induced EMF in the coil. What is the direction and magnitude of the induced current if the coil resistance is 10-3 Ω.
Compute the magnetic flux through a rectangular coil of dimensions 6cmx8cm along the x-z plane if the magnetic filed of strength is 1.4T directed at
Find the direction and magnitude of the magnetic force exerted on a 250 m length of wire if the current in the wires flows a) horizontally towards the east. B) horizontally towards the south.
A horizontal beam of alpha particles is injected with a speed of 1.3 x 10^5 m/s into a region with a vertical magnetic field of magnitude .155 T . How long does it take for an alpha particle to move
A 2000 kg car intially moving at 20.0 m/s suddenly slams on the brakes, locks the tires, and begins slidding. The coefficient of kinetic friction between the tires and the street is 0.500. Calculate
An electron moving with a speed of 4.2 x 10^5 m/s in the positive x direction experiences zero magnetic force. When it moves in the positive y direction, it experience a force of 2 x 10^-13 N that p
A force holds them in place so that their centers are separated by 8 mm. What will their velocities be after the force is removed and they are separated by a large distance?
The gun swings up to a height of 18.3 centimeters. What was the dart's speed in meters per second just after firing?
The asteroid hits the Earth nearly tangentially in the direction opposite to Earth's rotation.
A skier slides horizontally along the snow for a distance of 25 m before coming to rest. The coefficient of kinetic friction between the skier and the snow is µk = 0.090. Initially, how fast w
A 290 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal.
The weight of the block on the table is 454 N and that of the hanging block is 205 N. Ignore all frictional effects, and assuming the pulley to be massless. (a) Find the acceleration of the two bloc
A parallel plate capacitor has a capacitance of 7uF when filled with a dialectric. The area of each plate is 1.5 square meters and the separtion between the plates is 1X10^-5m. What is the dielectri
In a small town there are only two AM radio stations, one at 930 kHz and one at 1280 kHz. What is the wavelength of the radio wave transmitted by the first station?