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Suppose that inside a motor 33 A passes through a 250 turn circular loop that is 11.5 cm in radius.
What is the magnetic field strength created at its center in T?
Calculate the coil's self-inductance. If the current decreases uniformly from 5.00 to 2.00 in 3.00, estimate the self-induced emf in the coil.
Assuming all the energy is retained by the hammer head, evaluate how much will its temperature increase? (Chead=0.11 kcal/kg degrees C) 1/2 m v^2 = mc Deltatemp solve for deltaTemp.
An infinitely long wire is formed as in the diagram on your assignment. It is formed so that it has a circular portion of R = 50cm and the straight portion is located at a distance r from the center of the circular portion. Determine r (in cm) suc..
A rotating cylinder about 16- {rm km} long and 6.8 -km in diameter is designed to be used as a space colony. With what angular speed must it rotate so that the residents on it would experience the similar acceleration because of gravity as on Eart..
An 18.8 cm screwdriver is used to pry open a can of paint. If the axis of rotation is 2.78 cm from the end of the screwdriver blade, what force is applied to the lid
If air drag is negligibly small, how fast is sequoia cone moving while it reaches the ground if it dropped from the top of a 114 tree.
A technician wraps wire around a tube of length 39 cm having a diameter of 7.8 cm. what is the self-induced emf in the solenoid
Some mass spectrometers use an electric field to give the incoming ions a certain known kinetic energy as they enter the magnetic field. What is the final kinetic energy of the ion just before it reaches the ion detector
What is the angular velocity of the disk. If a single bit requires 5 µm of length along the motion direction, how many bits/second can the writing head write when it is 3.0 cm from the axis? display all work and explanations.
An interferometer is used to measure the length of a bacterium. The wavelength of the light used is 650 nm. How long is the bacterium
Objective questions based on force and acceleration.
A uniform magnetic field of magnitude B = 0.020 T is in the positive y-direction. Determine the magnitude and direction of the magnetic force on each segment.
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