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Suppose two alpha particles were held together so they were just touching.
A) Estimate the electrostatic repulsive force each would exert on the other.
B) What would be the acceleration of an alpha particle subjected to this force?
A coil that is circular has a radius of 8 cm and has 400 turns it is on a table horizontally, What is the total EMF in the coil as a function of time and in which direction does the current flow
Evalute the acceleration of each block and the tension in the string? Repeat the problem, adding a coefficient of kinetic friction between each block and the surface of 0.10.
The radar system at an airport broadcasts 11 microwaves with 150 of power. An approaching airplane with a 31 cross section is 24 away. suppose that the radar broadcasts uniformly in all directions and that the airplane scatters microwaves uniformly..
A laser pulse has an energy of 16 J and a beam radius of 2 mm. The pulse duration is 11 ns and the energy density is constant within the pulse. What is the spatial length of the pulse
Light of wavelength 650 nm falls on a 0.48 mm wide slit and forms a diffraction pattern on a screen 1.8 m away.
A 30-meter steel tape is correct at a temperature of 20.0(C). The distance between two points, as measured by this tape on a day when the temperature is 5 (C), is 25.970m. What is the true distance between the points?
What is the wavelength of emitted photon of the previous question if k = 10eV/ °A2, where °A denotes Angstrom and eV: electron volt. Is the emitted photon in visible spectrum of a human eye.
A scaffold of mass 44 kg and length 6.0 m is supported in a horizontal position by a vertical cable at each end. What is the tension in the cable closer to the painter
A 18.0 kg block is dragged over a rough, horizontal surface by a constant force of 77.6 N acting at an angle of 35? above the horizontal. The block is displaced 10.8 m, and the coefficient of kinetic friction is 0.149.
If the translation rms speed of the water vapor molecules in air is 703 m/s, what is the translational rms speed of the carbon dioxide molecules in the same air? Both gases are at the same temperature.
Compute the Force of Friction (Ff) for a 5kg aluminium block being pulled with constant velocity (uniform motion), up the steel plank that is at a 30degrees angle to the horizontal.
Calculate the electric flux through the circle when its face is perpendicular to the field lines and then when at 45 degrees to the field lines
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