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Two point charges of 800 nC and 400 nC are moving in a plane with velocities of 20,000 km/s and 50,000 km/s, respectively, in the same direction. If at one instant the 400-nC charge is at (0, 0, 0) and 800-nC charge is at (0, 0.1, 0), determine the ratio of the electric force to the magnetic force acting on the 800-nC charge at that instant. What is the total force experienced by the 800-nC charge? What is the ratio of electric force to magnetic force experienced by the 400-nC charge? What is the total force acting on the 400-nC charge? Is the total force acting on the two charges the same?
Two long, parallel wires separated by 4.50 cm carry currents in opposite directions. The current in one wire is 1.65 A, and the current in the other is 3.45 A. Find the magnitude of the force
Using a mixture of CO2, N2, and sometimes He, CO2 lasers emit a wavelength of 10.8μm. How many photons per second does a CO2 laser deliver to the tissue during its use in an operation
An airplane is flying in a horizontal circle at a speed of 520 km/h. If the wings of the plane are tilted 34° to the horizontal, what is the radius of the circle (in m) in which the plane is flying? Assume that the required force is provided entir..
A little red wagon with mass 7.0 kilogram moves in a straight line on a frictionless horizontal surface. Obtain the acceleration produced by the force
determine the force exerted by the wood on the bullet.
The area of a typical eardrum is about 5.0 × 10?5 m2. Calculate the sound power incident on an eardrum at the threshold of pain
In the figure, a point charge 1.3μ C is adistance d/2 directly above the center of a square of side d = 0.26cm . What is the magnitude of the electric flux through the square? (
A block of mass m sliding on a frictionless table isattached to a string that passes through a narrow hole through thecenter of the table. Find the angular momentum of the block
A motor develops 0.75 kW of power at 2000 revs per 10 min. What torque is applied to the motor shaft
a 1400- car rounds a corner of radius 59 . the coefficient of static friction between the tires and the road is 0.80.
A string with a length of 3.0 m has two adjacent resonances at frequencies 112 Hz and 140 Hz. What is the wavelength of the first harmonic
You operate a small grain elevator near Champaign, Illinois. One of your silos uses a bucket elevator that carries a full load of 800 kg through a vertical distance of 39 m. (A bucket elevator works with a continuous belt, like a conveyor belt.)
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