Bayuadis6849 Bayuadis6849

22-11-2022
Physics

Answered

The mass of an electron is 9. 11×10−31 kg. If the de broglie wavelength for an electron in a hydrogen atom is 3. 31×10−10 m , how fast is the electron moving relative to the speed of light? the speed of light is 3. 00×108 m/s.

Answer :

Other Questions

If k = 7500 line per cm, at what angle, to the nearet degree, would you find the firt order maximum for green light of wavelength 500 millimicron? A micron i a

An empty truck whose mass is 2000 kg has a maximum acceleration of 1.0 m/s2. What is its maximum acceleration when it is carrying a 1000-kg load?

Fluorescent dyes in clothing can absorb ultraviolet light and then convert it to visible light. Is it possible to make a dye that absorbs visible light and then

The 70 kg student in figure p14. 43 balances a 1200 kg elephant on a hydraulic lift. What is the diameter of the piston the student is standing on?.

A metal sphere with a mass of 0.066 kg rolls along a friction-less surface at 4.4 m/s and strikes a stationary sphere having a mass of 0.019 kg. The first spher

Light with some unknown wavelength is incident on a piece of copper. The most energetic electrons emitted from the copper have 2. 7 ev of kinetic energy. If the

A 0.045 kg bullet moving at 478 m/s strikes a stationary 5.2 kg wooden block. The bullet passes through the block and leaves with a velocity of 304 m/s. If the

Bobby has a mass of 50 kg and he runs down the length of a football field at 4.7 m/s in an effort to catch the football being passed to him. What is his momentu