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An alpha particle (charge +2e, mass 6.64 x 10^-27) moves head-on ata fixed gold nucleus (charge +79e). If the distance of closest approach is 2.0 x 10^-10m, what was the initial speed of the alpha particle?
A positive charge of 3.2×10-9 C is brought in from infinity to a point (2m,0), How much work did the electric field do
A block of ice with a mass of 3000kg is being pulled along a horizontal surface by a force F=300N at 30 degrees. Calculate the work done by this force in moving the ice 50.0m
An ideal monatomic gas is held in a well insulated container with a piston, so that no heat is transferred to and from it. There are 1.75 moles of gas in the container initially at a pressure 1.01x 10^5 Pa. During a process, the temperature of the ga..
A bar magnet is dropped through a coil of wire. Describe what will be observed on the galvanometer by sketching a graph of induced emf versus time
Light from an argon laser strikes a diffraction grating that has 5345 grooves per centimeter. Determine the wavelength of the laser light
a rock is thrown downward from the top of a building 168 ft high at an angle of 60 with the horizontal. how far from the base will the rock land
q1. a football player runs directly down the field for 16 m before turning to the right at an angle of 33 from his
For the shear building shown, determine the natural frequencies (RAD/SEC) and the modal matrix. Also, sketch the deflected buildings in their normal modes using the top floor as the reference floor (set its displacement = unity). Finally, demonstr..
Bob is strapped to a board that is moving so that ? along the length of the board is 2.0. The board and direction of relativistic motion is along the horizontal. You are standing next to a hole on a horizontal platform that he hopes to pass throug..
A simple harmonic oscillator is constructed from a spring which is connected to a mass of 0.3 kg. What is the total energy of the oscillation
A 1.78 m long air column is open at both ends. The frequency of a certain harmonic is 828 Hz, and the frequency of the next-higher harmonic is 920 Hz. find out the speed of sound in the air column.
In a diesel engine, the piston compresses air at 302 K to a volume that is 0.0612 of the original volume and the pressure that is 46 times the original pressure. What is the temperature of the air after the compression.
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