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An electron moves through a uniform magnetic field given by =Bx i +(2.40 Bx) j . At a particular instant, the electron has velocity =(1.92 i +4.61 j ) m/s and the magnetic force acting on it is (3.08 X 10-19 N) k. Find Bx.
A carbon resistor is made of a cylinder of carbon, of diameter 7.4 mm. what is the length of the cylinder
Three gases (8.00 of methane, , 18.0 of ethane, , and an unknown amount of propane, ) were added to the same 10.0-container. Calculate the partial pressure of each gas in the container
answer the following questionsa a magnetic field that varies in magnitude from point to point but has a constant
Give four examples (two of each type) of optical devices which are best understood using either Geometric Optics or Physical Optics. Justify your examples.
An evacuated spherical diving bell containing a camera is in the ocean at a depth of 113 m. Find the magnitude of the total force on the port
A 59.00kg skier encounters a dip in the snow's surface that has a circular cross section with a radius of curvature of 12-m. If the skier's speed at point A is 7.0 m/s, what is the normal force exerted by the snow on the skier at point B? Ignore f..
After the box starts sliding, the person continues to push it, exerting the same force. What is the acceleration of the box
A particle moves with constant acceleration a. The expression v1+at represents the particle's velocity at what instant in time.
In the Bohr model of the hydrogen atom, an electron in the 7th excited state moves at a speed of 4.47 104 m/s in a circular path having a radius of 2.59 10-9 m
A step-down transformer has 30 turns of wire on one coil and 1200 turns on the other. what is the required rms input voltage
When a resistor is connected across the terminals of an acgenerator (115 V) that has a fixed frequency, there is a current of 0.665 A in the resistor. When an inductor is connected across the terminals of the same generator, there is a current of ..
A single-turn circular loop of radius 8.00 cm is to produce a field at its center that will just cancel the earth's field of magnitude 0.7G directed at 70 below the horizontal north direction. Find out the current in the loop.
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