Homework Help: Physics

Posted by Sammy on Friday, February 5, 2010 at 12:08am.

A hydrogen atom consists of a positively charged proton (nucleus) and a negatively charged electron. The following is correct due to Coulomb's law:
a.The two particles repel each other
b.The electron accelerates toward the proton
c.The electron and proton are in mechanical equilibrium, thus no net force acts between them
d.The electron moves with constant velocity
e.None of these statements is correct

Physics - drwls, Friday, February 5, 2010 at 2:38am
b. is correct, both in the classical model, and also in quantum mechanical model, an attractve force towrds the nucleus ios assumed.

Regarding (d): Coulomb's law says nothing about velocity. In the Bohr model of the hydrogen atom, some orbits have constant velocity, and some don't, but his model is obsolete. Forgetaboutit
Physics - ?, Friday, February 5, 2010 at 4:41pm
don't the attractive forces of the protons on the electron, and the electron on the proton cancel out? and hence be c?

Answer this Question

Related Questions

physical science - 6. If one body is positively charged and another body is ...
Physical Science - true or false in an atom, negatively charged electrons ...
Chemistry - What happens when the nucleus of one atom attracts a pair of shared ...
Chemistry - what happens when the nucleus of one atom attracts a pair of shared ...
Chemistry - Explain how a non metal atom becomes negative. Lose an electron, ...
Electricity and Electronics - If one body is positively charged and another body...
physics - two charged plates are 2mm apart. An electron escapes from the ...
physics - two charged plates are 2mm apart. An electron escapes from the ...
physics - An electron and a proton have charges of an equal magnitude but ...
chemistry - What is the positively charged part of an atom called? electron or ...

For Further Reading

First Name:
School Subject:
Answer: