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Suppose an electron could orbit a proton at a constant distance of 1.11 Angstroms, with the the centripetal force coming from the Coulomb attraction between proton and electron.
- What would be its orbital velocity, orbital KE, electrostatic PE relative to infinite separation, and total energy?
- What would be its deBroglie wavelength at the orbital velocity?
- How many deBroglie wavelengths are required to span the circumference of this orbit? What does this say about the possibility of actually achieving this orbit?
Suppose a small 100 g piece of metal were to break loose from the surface of the piston, when it (the piston) is at the lowest point (z = 5.0 cm and v = 0). What is the velocity (m/s) of the metal piece when it loses contact with the piston
When you step on the accelerator to increase the speed of your car, the force that accelerates the car is the force of your foot on the accelerator. the force of friction of the road on the tires
Suppose 28.5 kg of 87.5°C water is placed in contact with 28.5 kg of 11°C water. What is the change in heat (in J) of the hot water
A spy satellite is in circular orbit around Earth. It makes one revolution in 6.01 hours. How high above Earth's surface is the satellite
to place a communications satellite into a geosynchronous orbit at an altitude of 22240 mi above the surface of the
Coherent light that contains two wavelengths, 665 nm (red) and 575 nm (yellow), passesthrough two narrow slits separated by 0.300 mm, and theinterference pattern is observed on a screen 5.00 m from the slits.
A hockey puck slides off the edge of a table at point A with an initial velocity of 20.0 m/s, What is the speed (not the velocity) of the puck just before it touches the ground
How does the magnitude of electrical force between a pair of charged objects changed when the objects are moved twice as far apart? Three times as far apart?
Your friend is catching a falling basketball after it has passed through the basket. Her hands move straight down while catching the ball. Determine the average force that her hands exert on the ball while catching it
Suppose that an ion source in a mass spectrometer produces doubly ionized gold ions (Au2+), Determine the radius of the path
Some of the earliest atomic models held that the orbital velocity of an electron in an atom could be correlated by means of the radius of the atom. If the radius of the hydrogen atom is 5.29*10-11 m and the electrostatic force is responsible for the ..
A microscope has an objective lens by a focal length of 16.22 mm and an eyepiece by a focal length of 9.50 mm. With the length of the barrel set at 30.0 cm, the diameter of a red blood cells image subtends an angle of 1.43 m rad with the eye.
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