MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_NextPart_01C67FFA.94F20B80" This document is a Single File Web Page, also known as a Web Archive file. If you are seeing this message, your browser or editor doesn't support Web Archive files. Please download a browser that supports Web Archive, such as Microsoft Internet Explorer. ------=_NextPart_01C67FFA.94F20B80 Content-Location: file:///C:/D9286902/Spring06.Phys1112.Quiz5.SolutionWeb.htm Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="us-ascii" Department of Natural Sciences

 

Clayton State University

Department = of Natural Sciences

March 1, 2006=

 =

Physics 111= 2 – Quiz 5

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Name  ___SOLUTION__________________________________

 

 

 

Alpha particles of charge q =3D + 2e = and mass m =3D 6.60 x 10-27 kg are emitted by radioactive source at a spe= ed of 1.60 x 107 m/s.

 

a. What magnetic field strength would be required to bend them into a circular path of radius r =3D 0.250 m?

 

r =3D (mV) / (qB)

 

B =3D (mV) / (rq)

 

B =3D (6.60 x 10-27 kg)(1.60 x 107 m/s= ) / ((0.250 m)(1.60 x 10-19 C)) =3D 1.32 T<= o:p>

 

 

b. If the magnetic field is directed out of the page, do the particles rotate clockwise or counterclockwise?

 

 

 

 

Clockwise.=

 

 

 

 

 

 

 

 

   =

 

 

 

 

 

 

 

 

  

 

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