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A uranium and iron atom reside a distance R = 54.70 nm apart. The uranium atom is singly ionized; the iron atom is doubly ionized. Calculate the distance r from the uranium atom necessary for an electron to reside in equilibrium. Ignore the insignificant gravitational attraction between the particles.
What is the magnitude of the force on the electron from the uranium ion?
The cathode-ray tubes that generated the picture in early color televisions were sources of x rays. what are the shortest-wavelength x rays produced by the television
Now, as both pipes vibrate at their fundamental frequencies, the beat frequency of 17 Hz is heard. How many centimeters were cut off the end of the second pipe? The speed of sound is 333 m/s.
Person a is 20 ft to the right of person b. Person a recieves a ball and throws it 18.9 m away, angle of 25 degree celcius to the right horizontal, what is his average velocity(magnitude and direction) if he takes a straight path
A piston, A, as shown below, has a diameter of 0.81 cm. A second piston, B has a diameter of 3.9 cm. conclude the force, F, necessary to support the 508.0 N weights in the absence of friction.
Water flowing through a hose at 4.0 m/s fills a 800L child's wading pool in 7.0min. What is the diameter in cm of the hose
A person exerts a horizontal force of F = 169N in the test apparatus. (h = 0.32m.) Find the horizontal force M that his flexor muscle exerts on his fore arm.
A 20x telescope has a 12-cm diameter objective lens. What minimum diameter should the eyepiece lens have to collect all the light rays from an on axis distant source.
Two loudspeakers are placed 3-m apart. They emit 498 Hz sounds, in phase. A microphone is placed 3.2m distant from a point midway between the two speakers, where an intensity highest is recorded.
An archer shoots an arrow horizontally at a target 17m away. The arrow is aimed straight at the center of the target, but it hits 59cm lower.
Three charges are at the corners of an isosceles triangle, Calculate the amount of work required to assemble this system of charges, assuming they are brought in from infinity
A typical incandescent lightbulb has a filament temperature of approximately 3191 K. At what wavelength is the intensity of the emitted light highest
If the asteroid fragment contains carbon, it may burn when entering Earth's atmosphere. Which type of chemical bond would result from this process
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