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A buckey ball is a large molecule comprised of 60 carbon atoms arranged in a shape something like a hollow sphare 0.71nm in diameter. Imagine that we create a beam of bockeyballs all moving at the same speed v. what is the maximum value that v can have if the de Broglie wavelength of the buckeyball beam is to be at least 10 times the size of the buckeyball (so that we might actually be able to display interference of the buckballs) ?
Hold a rubber band between your right and left hands. Pull with your left hand. Does your right hand experience a force
A car coasts (engine off) up a 30 degree grade. If the speed of the car is 25m/s at the bottom of the grade, Compute the time it takes for the car to come to rest
1. the ground state ofnbsp has jpi 32-1 the first excited state at 67.4 kev has jpi 12-1 and the second excited state
a hot air balloon decends toward the ground with a velocity of 1.6 ms. a champagne bottle is opened to celebrate
a helium nucleus has radius rhe 1.9 fm mass m 6.6 times 10-27 kg and charge 2e. a gold nucleus has charge 87e and
A 1.09-µF capacitor is charged by a 31.0-V power supply. The fully charged capacitor is then discharged through a 9.8-mH inductor. Find the maximum current in the resulting oscillations.
charges q q and -q are placed on the x-axis of x0 x2m and x4m respectively. at which of the following points does the
A single bead can slide with negligible friction on a wire
A rod is being used as a lever, as shown in the figure below. The fulcrum is x1 = 1.79 m from the load and x2 = 3.81 m from the applied force. If the load has a mass of 12.8 kg, what force must be applied to lift the load?
You, Archimedes, suspect that the king's crown is not solid gold but is instead gold-plated lead. To test your theory, you weigh the crown, and find it to weigh 60.0 N, What percentage (by weight) of this crown is made of gold
A box sits on a horizontal wooden board. The coefficient of static friction between the box and the board is 0.5. You grab one end of the board and lift it up, keeping the other end of the board on the ground.
Consider an object that is in an elliptical orbit with semimajor axis a = 3.1×106 m about a planet of mass M = 2.2×1023 kg. What is the speed of the object When it is closest to the planet at r = a/4
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