Issues with masteringphysicssolutions.net access could stem from improper redirect settings between different versions of the site. Check the following links for alternative routes:

http://masteringphysicssolutions.net http://www.masteringphysicssolutions.net https://masteringphysicssolutions.net https://www.masteringphysicssolutions.net

Or return to the current status page of masteringphysicssolutions.net.