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An energetic proton is fired at a stationary proton. For the reaction to produce new particles, the two protons must approach each other to within a distance of about 8.9 × 10-15 m. The moving proton must have sufficient speed to overcome the repulsive Coulomb force. What must be the minimum initial kinetic energy (in MeV) of the proton?
A square insulating sheet 90.0cm on a side is held horizontally. The sheet has 6.15nC of charge spread uniformly over its area. Calculate the electric field at a point 0.400mm above the center of the sheet
a 4.50g bullet is fired horizontally into a 2.35kg wooden block resting at the bottom of a 25 degree inclined surface.
Find what is the maximum speed with which a 1350 kilogram car can round a turn of radius 75 meter on a flat road if the coefficient of static friction between road and tires is 0.60
John's mass is 91 kilogram, and Barbara's is 67 kilogram. He is standing on the x axis at xJ = +9.80 m, Determine how far and in which direction does their center of mass move as a result of the switch
If we drop a small metal sphere into the water and watch its motion, it will quickly reach terminal velocity. what is the Reynold's number of this sphere
For the real or imaginary nucleus of 83X^193, find the net electrical charge of the nucleus and the number of nucleons
Now adapt the ideas of the energy and entropy of mixing to gasses in different cylinder. The temperature is fixed (there is a thermal reservoir so that all changes are done isothermally). A system starts with n(He)=10 moles of helium in a cylinder..
A gas in a cylinder is held at a constant pressure of 2.20×10^5 Pa and is cooled and compressed from 1.70m^3 to 1.40m^3. Find the amount of the heat that flowed into or out of the gas
a what is the orbital angular momentum predicted by the shell model for 37cl in units of hbar?b what is the total
the electrons in the beam of a television tube have a kinetic energy of 2.86 x 10-15 j. initially the electrons move
A spherical oil droplet with nine excess electrons is held stationary in an electric field between two large horizontal plates that are 2.25 centimeter apart. Determine what is the radius of the oil drop
a 0.200 kg metal rod carrying a current of 10.0 a glides on two horizontal rails 0.500 m apart. what vertical magnetic
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