Find kinetic energy of an electron confined to given region
For an electron to be confined to an nucleus, its deBroglie wavelenth would have to be less than 10 to the power -14m. What would be the kinetic energy of an electron confined to this region?
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A 60 ball of clay is thrown horizontally at 40 toward a 1.3 block sitting at rest on a frictionless hi surface. The clayts and sticks to the block. What is the speed of the block and clay right after the collision?
A particle with a mass of 3.65×10^-24 kg and a charge of 6.40×10^-19 C starts at rest and is accelerated for a distance of 0.0820 m through a uniform electric field having strength E = 7.25×10^4 N/C. What is the resulting speed o
You absorb the shock by bending your knees, ending up momentarily at rest in a crouched position with your center of mass a height b = 0.4 m above the ground. Your mass is M = 65 kg. You will need to draw labeled physics diagrams for the various s
Suppose that some of the atoms in a Cu crystal,, which has an fcc lattice, are gradually replaced by Zn atoms Considering that Zn is divalent while Cu is monovalent, calculate the atomic ratio of Zn to Cu in a CuZn alloy (brass) at which Fermi sph
An elastic cord is 67.0 cm long when a weight of 56.0 N hangs from it and is 87.0 cm long when a weight of 76.0 N hangs from it. What is the "spring" constant of this elastic cord?
If the lumberjack now trots toward the other end of the log with a speed of 2.7 m/s relative to the log, what is the lumberjack's speed relative to the shore? Ignore friction between the log and the water.
The side-view mirror of an automobile has a radius of curvature of 20.0 cm. The mirror produces a virtual image one-third the size of the object. How far is the object from the mirror?
There is a wooden block of .50 kg forced against horizaontal spring with an elastic constant of 120 N/m. What is the blocks max change in temperature if its specific heat is 1700 J/kg Celius.
Find the magnitude of the displacement of a point on a wheel initially in contact with the ground when the wheel (of radius 53.7 cm) rolls forward half a revolution.
How much positive charge and how much negative charge are on the protons and electrons in a cup of water (0.25kg)? What is the magnitude of attractive force exerted by the electrons in the cup of water on the protons in a second cup of water 10m a
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