Severity: Warning
Message: fopen(/home/solutionspile.com/public_html/system/sessions/ci_sessionafum80dghulrj8jiiu4l74moak6bkmf8): failed to open stream: No space left on device
Filename: drivers/Session_files_driver.php
Line Number: 176
Backtrace:
File: /home/solutionspile.com/public_html/index.php
Line: 367
Function: require_once
Severity: Warning
Message: session_start(): Failed to read session data: user (path: /home/solutionspile.com/public_html/system/sessions)
Filename: Session/Session.php
Line Number: 143
Backtrace:
File: /home/solutionspile.com/public_html/index.php
Line: 367
Function: require_once
Recall that the work of a spring is 2 2 1 2 2 1 1 )– 2 (U k s s? ? ? and can be either positive or negative. The potential energy of a spring is 21 . 2 V ks? Its value is __________ A. always negative. B. either positive or negative C. always positive. D. an imaginary number!