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An early model of the hydrogen atom viewed it as an electron orbiting a proton in a circular path with a radius of 5.29×10?11m.
What would be the speed of the electron in this model? You'll need some information from Appendix E in the textbook, and may need to review Chapter 6 on circular motion.
What is the minimum coefficient of friction that will prevent sliding. What should be the highest speed of the car so it can round the curve safely.
On a drive from your home to town, you wishto average 33.6 mph. The distance from yourhome to town is 90miles. However, at 45miles(half way), you find you have averaged only25.2 mph.
A cylinder of mass 250 kg and radius 2.60 m is rotating at 4.00 rad/s on a frictionless surface when two more identical non-rotating cylinders fall on top of the first. What is this final angular velocity
As part of a safety investigation, two 1700 cars traveling at 18 are crashed into different barriers. Find the average forces exerted on (a) car that hits a line of water barrels and takes 1.80 to stop, and (b) car that hits a concrete barrier and t..
A Gas of diatomic molecules is in equilibrium at a temperature of 340K. what is the rms angular speed of the molocules
Use the equation of the position to find the potential elastic energy in a Simple Harmonic Motion(SHM). What would you need to do to find the elastic constant of a spring
Compute the quantum length (thermal de Broglie wavelength) in nanome-ters and the chemical potential in electron volts of 4He gas at room temperature and pressure
The Hubble Telescope orbits the earth in a near circular orbit of about 585 km above the Earth's surface. find the magnitude of the centripetal acceleration of the satellite
An ideal gas expands at a constant pressure of 2.9 atm from 435 mL to 709 mL. Heat then flows out of the gas, determine the total heat flow into the gas
As measured in Earth's frame of reference, two planets are 485,000 km apart. How fast is the ship traveling
A solid cylindrical disk has a radius of 0.45 m. It is mounted to an axle that is perpendicular to the circular end of the disk at its center. What is the mass of the disk
An iron wire with a diameter of 1.2 mm has a uniform electric field of 0.35 V/m imposed along its entire length. What is the current density in the wire
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