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The diameter of its nucleus is1.1×10−14 m and the diameter of an atom is1.0×10−10 m.
What percent of the atom's volume is occupied by the massive nucleus?
a resting homogenous sphere starts at a vertical height h 45.6m above the floor at the upper end of a wavy track. it
A bas traveling at 25.0 m/s applies the brakes and decelerates uniformly at a rate of 1.2 m/s ? What is its velocity at the end of this time interval
Two pieces of optically flat glass (n = 1.50) touch at one edge and a separated by a thin stretched fiber at the opposite edge. Light of wavelength 500 nm is shone from above and 100 dark fringes are counted. How thick is the fiber?
A 0.047 H inductor is wired across the terminals of a generator that has a voltage of 2.1 V and supplies a current of 0.021 A. Find the frequency of the generator
A train is traveling at 30.0m/s relative to the ground in still air. The frequency of the note emitted by the train whistle is 262Hz . The speed of sound in air should be taken as 344m/s . What frequency f approach is heard by a passenger on a tra..
There is a glass filled with 20cm of water and on top alayer of 30cm of oil, that exactly weights 0.700Newton. What is the total preassure at the bottom of the glass
An aircraft performs a maneuver called an aileron roll. During this maneuver, the plan turns like a screw as it maintains a straight flight path, but using its ailerons to set the wings in circular motion.
A 5.0-kg projectile is fired over level ground with a velocity of 200.0 m/s at an angle of 30.0 ° above the horizontal
one electron is at the origin of a coordinate system. a second electron somewhere in the x-y plane feels a force 2.4 x
Two point charges lie on the x axis. A charge of +9.5 µC is at the origin, and a charge of -9.5 µC is at x = 10.0 cm, What is the net electric field at x = -4.0 cm
a parallel plate capacitor is immersed in sea water. find the ratio of rms conduction current to rms displacement
Two concentric metallic spheres of radii r1 and r2> r1, respectively, are maintained at temperatures T1 and T2, and are separated by a layer of homogeneous material thermal conductivity k.
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