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An electron is moving at a speed of 1.1 multiply.gif 104 m/s in a circular path of radius of 1.9 cm inside a solenoid. The magnetic field of the solenoid is perpendicular to the plane of the electron's path. The solenoid has 25 turns per centimeter.
(a) Find the strength of the magnetic field inside the solenoid.
T
(b) Find the current in the solenoid.
mA
One side of the roof of a building slopes up at 34.0°. A student throws a Frisbee onto the roof. It strikes with a speed of 15.0 m/s and does not bounce, but slides straight up incline. The coefficient of kinetic friction between plastic and roof is ..
A u-tube with constant cross section is partly filled with water. Engine oil of density 0.8g/cm3 is poured into the right arm (without mixing) until the water level rises 2.0cm. The length of the oil column is then.
A fan at a rock concert is 35m from the stage, where sound intensity level is 125 dB. Her eardrums have a diameter of 8.07mm. How much energy is transferred to each eardrum in one second? (Distance from the speaker to the edge of the stage is 1 m...
A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 2.80 s for the ball to reach its maximum height. (a) Find the ball's initial velocity. m/s upward (b) Find the height it reaches.
State the amplitude of the electric field vector in micro volts per meter to three significant figures.
A solenoid of length 3.06 cm and diameter 0.663 cm is wound with 170 turns per cm. what is the magnetic flux through one of the windings of the solenoid
Janet has a 40% interest in the S corporation. All expenses that reduce DPGR are from wages, and all wages paid relate to DPGR. Explain how much QPAI and wages are allocated to Janet?
The rotor in a certain electric motor is a flat, rectangular coil with 82 turns of wire and dimensions 2.25 cm by 3.88 cm. The rotor rotates in a uniform magnetic field of 0.800 T. Find the maximum torque acting on the rotor
What is the angular velocity in rad/s . What is the least pressure obtained inside the bottle? What will happen when this pressure is reached.
A 0.450-kg ice puck, moving east with a speed of 5.46m/s, What is the speed of the 0.450-kg puck after the collision
When a charge that is free to move is released in the presence of an electric field, does it move from a region of high electric potential to a region of low electric potential or vice-versa? Does your reply depend on whether the charge is positiv..
The internal energy of a system changes becasue the system gains 176 J of heat and performs 312 J of work. During this return process, what work is involved
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