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Sodium atoms moving at 1000 m/s are incident on a slit having a width of 100 nm. At 3 m from the slit, what is the approximate transverse width of the sodium atoms wave function? These are typical values for experiments in atom optics.
Two particles each have a mass of 5.80 10-3 kg. One has a charge of +5.0 10-6 C, and the other has a charge of -5.0 10-6 C. They are initially held at rest at a distance of 0.70 m apart. Both are then released and accelerate toward each other. How fa..
Find the forces that act on each of the three charges. a) q = -1.0 µC in vector form b) q= 3 µC in vector form b) q =5 µC in vector.
Two metal balls are hung from strings. The first ball, 0.1 kg, is pulled to the side and released so that it strikes the second ball with a speed of 1.56 m/s. What is the mass of the second ball
estimate the % difference, which the use of isothermal compressibility instead of the adiabatic compressibility, would make to the calculated value of the speed of sound (340m/s)
An airplane with a mass of 2.6*10^6 kg. has the air flow past the lower surface of the wings at 100 m/s. If the wings have a surface area of 1200 m2, how fast should the air flow over the upper surface of the wing if the plane is to stay in the ai..
An 18.9 kilogram block is dragged over a rough, horizontal surface by a constant force of 118 Newton acting at an angle of 31o above the horizontal. Calculate the work done by the 118 N force
a ball of mass m is released from height h1. it slides along the smooth surface and collides elastically with the
A 100 coil spring has a spring constant of 438 N/m. It is cut into two shorter springs, each of which has50 coils. One end of a 50-coil spring is attached to a wall. An object of mass 37 kg is attached to the other end of the spring, and the system i..
The space shuttle needs to slow down in order to return from its orbit. It does so by reversing direction and firing its 3 main engines for a short amount of time. The mass of the space shuttle is 2.0 x 106 kg and has an orbital speed of 8000 m/s. Th..
At a steel mill a 50 Kg chunk of iron at 22 Celsius is heated to it's melting point , completely melted , How much energy is required to heat the iron to it's melting point
Runner A is initially 4.0mi west of a flagpole and is running with a constant velocity of 2.0 mi/h due east. How far are the runners from the pole when they meet
You are asked to design a vibrating chair to serve as a ridefor chidren at a playground. The child is belted into the chairthat rests on a low-friction horizontal surface. The chair isattached at the end of a horizontal spring. The chair is pulled..
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