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One electron collides elastically with a second electron initially at rest. After the collision, the radii of their trajectories are 1.00 centimeter and 2.40 centimeter. The trajectories are perpendicular to a uniform magnetic field of magnitude 0.0520 T. Evaluate the energy of the incident electron.
______keV
an x-ray photon with wavelength 15.0 pm is scattered at 84.0 degrees by an electron. What is the resulting kinetic energy of the electron
A plane is pointed in the positive x direction andis flying with an speed of (200, 0, 0) m/s relativeto the air. Find the velocity of the plane withrespect to the ground
A negative charge moves in the direction of a uniform electric field. Does the charge move to a position of higher or lower potential
An ideal gas occupies a volume of 1.8 cm3 at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container
the top of pikes peak is 14100 ft above sea level. neglecting the variation of t with altitude and using the average
A trap door, of length and width 1.65 m, is held open at an angleof 65.0 degree with respect to the floor. what is the torque exerted on the trap door by the rope
A small button placed on a horizontal rotating platform with diameter 0.328 will revolve with the platform when it is brought up to a rotational speed of 45.0 rev/min , provided the button is a distance no more than 0.141m from the axis. a)What is..
A small circular hole of radius 1.8 cm has been cut in the middle of an infinite flat plane of charge with a charge density of4.5pC/m2. What is the E field at exactly 2.56 cm right above vertically the center of the hole?
An infinitely long line of charge has a linear charge density of 5.50×10-12 C/m. A proton is at distance 17.5 cm from the line and is moving directly toward line with speed 2900 m/s.
The radioactive isotope 241Am, with a half-life of 432 years, is the active element in many smoke detectors. Assume such a detector will no longer function if the activity of the isotope it contains drops below 1/525 of its initial activity. How long..
While remodelling your garage, you need to temporarily splice, end to end, an 80 m long copper wire that is 1.130 mm in diameter with a 49.0 m long aluminium wire that has the same diameter. The maximum current in the wires is 2.00 A.
Points A and B have electric potentials of 231 Volt and 129 Volt correspondingly. Determine what is the electric potential at C
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