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An electron moving at 3.60 103 m/s in a 1.10 T magnetic field experiences a magnetic force of 1.40 10-16 N. What angle does the velocity of the electron make with the magnetic field? There are two answers between 0° and 180°. 1 ° (smaller value) 2 ° (larger value) eBook
Light from a helium-neon laser (?=633nm) is used to illuminate two narrow slits. What is the spacing (in mm) between the slits
It continues to fly along the same horizontal arc, but increases its speed at the rate of 1.10 m/s2. Find the acceleration in this situation at the moment the hawk's speed is 4.25 m/s. Find out the magnitude and direction (degrees)
Consider an H-like atom in the quantum mechanical description. How many electrons fit into the n=4 shell of this atom, assuming the states coincide with that of the H-atom?
A 0.400 kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.900 m/s when it makes a head-on collision with a stationary 0.150 kg glider. Find the final kinetic energy of second glider
What is the final velocity of a hoop that rolls without slipping down a 3.00 m high hill, starting from rest
TV broadcast antennas are the tallest artificial structures on Earth. In 1987, a 72.0-kg physicist placed himself, By how much was the antenna compressed
A flight attendant pulls her 72.0 N flight bag a distance of 282 m along a level airport floor at a constant speed. The force she exerts is 33.0 N at an angle of 52.0° above the horizontal.
What is the direction of the current - by changing the magnetic field - center of a conducting wire loop in a horizontal plane with the north end of the magnet toward the loop.
Ricardo and Jane are standing under a tree in the middle of a pasture. An argument ensues, and they walk away in different directions. Ricardo walks 24.0 in a direction 60.0 west of north. Jane walks 12.0 in a direction 20.0 south of west. They then ..
In an electron microscope, there is an electron gun that contains two charged metallic plates 2.65 cm apart. Determine the time interval the electron spends between the plates
Two soccer players start from rest, 43 m apart. They run directly toward each other, both players accelerating. How much time passes before the players collide
A tungsten filament used in a flashlight bulb operates at 0.20 A and 3.0 V. find the temperature of the filament when the flashlight is on
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