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Use the uncertainty principle to show that if an electron were present in the nucleus (r ˜ 10 - 15m), its kinetic energy (use relativity) would be hundreds of MeV. (Since such electron energies are not observed, we conclude that electrons are not present in the nucleus).
1. What is the volume occupied by 0.223 mol of helium gas at a pressure of 1.00 atm and a temperature of 320 K ? V = 2. A cylinder contains 12.8 L of air at a total pressure of 45.2 psi and a temperature of 30 °C. How many moles of gas does the cy..
Two strings are adjusted to vibrate at exactly 188 Hz. Then the tension in one string is increased slightly. What is the new frequency of the string
A uniform magnetic field passes through a horizontal circular wire loop at an angle 16.2° from the normal to plane of the loop. compute the magnetic flux through the loop
The decibel level of ajackhammer is 125 dB relative to the threshold of hearing. Determine the sound intensity produced by the jack hammer
Light of wavelength 550 nanometer falls on a 0.33 millimeter wide slit and forms a diffraction pattern on a screen 1.2 meter away. Determine the position of the first dark band on each side of the central maximum
Two steel wires of the same length, one with radius r and the other with radius 2r, are connected together, end to end, and tied to a wall. How far does the point where the two wires meet move
Three charges are at rest on the z axis: q1 = ?7.21 mC at z = 4.58 m, q2 = ?1.79 mC at z = 0 m, What is the potential energy of this system
When a turntable rotating at 33 1/3 rev/min is shut off, it comes to rest in 24 s. Assume constant angular acceleration. Find the average angular velocity of the turntable
A rocket moves upward, starting from rest with an acceleration of 33.4 m/s2 for 3.47 s. It runs out of fuel at the end of the 3.47 s but does not stop. How high does it rise above the ground.
The positive direction of the x axis.
Two spheres are placed so that their centers are 2.6 m apart. Theforce between the two spheres is 2.75X10-12 N. What is the mass of each sphere
If twice the force is exerted over twice the distance, how does the resulting increase in kinetic energy compare with the original increase in kinetic energy?
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