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At the equator, near the surface of Earth, the magnetic field is approximately 42.0 µT northward and the electric field is about110 N/C downward in fair weather. Calculate the gravitational, electric, and magnetic forces on an electron with instantaneous velocity of 6.00 x 106 m/s directed to the east in this environment. (Answer in N)
a particle undergoes two displacements. the first has a magnitude of 128 cm and makes an angle of 113 degrees with the
A camper hangs a 26 kg pack between twotrees, using two separate pieces of rope of different lengths. It hangs from one at 71degrees on theleft and from the one on the right side 28degrees. What is the tension in each rope?
During a drive by golfer, the angular velocity of his club is zero at the top of the backswing and 34 rad/s at the bottom of the downswing just before impact with the ball, what is the average angular acceleration of the club
suppose that the speed of light in a vacuum were one million times smaller than its actual value c 3.00 times 102 ms.
A laser used in a holography experiment has an average output power of 4.93 mW. Calculate the energy (in joules) radiated with each pulse
a uranium and iron atom reside a distance r 58.90 nm apart. the uranium atom is singly ionized the iron atom is doubly
a particle moves along the x axis. it is initially at the position 0.160 m moving with velocity 0.180 ms and
An arrangement of two pulleys, as shown in the figure, is used to lift a 46.4-kg mass a distance of 3.20 m above the starting point. What is the mechanical advantage of this system
A circuit contains only a(n) 0.189 H inductor. An AC voltage of peak value 177 V and frequency 58.5 Hz is applied to the circuit. When instantaneous voltage is 177 V, what is the instantaneous AC current?
an object is located 9.0 cm in front of a converging lens f 6.0cm. determine a distance of the image and b the height
A disk-shaped space station 175 m in diameter spins uniformly about an axis perpendicular to the plane of the disk through its center. How many rpm (rev/min) must this disk make
An electron enters a region of space containing a uniform 0.0000125-T magnetic field. Its speed is 195 m/s and it enters perpendicularly to the field. Find the radius of the electron\'s orbit
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