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The nucleus of an atom has a radius of about 7.9Ã-10-15 m. The electron is normally at a distance of about 3.4Ã-10-11 m from the nucleus. Assuming the atom is a sphere with a radius of 3.4Ã-10-11 m, find the volume of the atom, Find the volume of the nucleus, and Find the percentage of the volume of the atom that is occupied by the nucleus.
Two alpha particles (helium nuclei), each consisting of two protons and two neutrons, What is the distance between these particles at this time
Driving home from school one day you spot a ball rolling out into the street. You brake for 1.10 s, How far did you travel while braking
A telephoto lens with focal length of 120mm has f-numbers ranging from f/2.8 to f/22, What is the diameter of the lens aperture at f/2.8? in millimeters
A series RLC circuit consists of a 100 ? resistor, a 0.190H inductor, and a 42.0 ?F capacitor. It is attached to a 120 V/60 Hz power line. What is the average power loss
What are the magnitudes of the (a) impulse and (b) average force on the passenger during the collision? If the passenger were to jump upward with a speed of 6.00 m/s relative to the cab floor just before the cab hits the bottom of the shaft, what ..
A long string is wrapped around a 6.60 diameter cylinder, initially at rest, that is free to rotate on an axle. The string is then pulled with a constant acceleration of 1.70 until 1.30 of string has been unwound. If the string unwinds without slippi..
The three charged particles in the figure below are at the vertices of an isosceles triangle (where d = 1.60 cm). Taking q = 8.20 µC, calculate the electric potential at point A
The work fuction of a particular substance is 7.81*10^-19 J. What is the photoelectric cutoff wavelength for this material
A 0.50-?F and a 1.4-?F capacitor (C1 and C2, respectively) are connected in series to a 14-V battery. Calculate the charge on each capasitor assuming the two capacitors are in parallel
If the internal energy of a system increases as the result of an adiabatic process, Calculate the work done on or by the system in part (a) if its internal energy increases by 700J
Estimation instantaneous rate of evaporation
Elucidate what is the magnitude of the normal force exerted on the car by the walls of the cylinder at point A (at the bottom of the vertical circle)? and at point B (at the top of the vertical circle)?
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