GRE Physics GR 1777, Problem 028 Solution Posted on January 22, 2021 by polaris GRE Physics GR 1777 Problem Solution 028. Thermodynamics (Work) You should know about in Thermodynamics Solution Answer (C) 40 J Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to email this to a friend (Opens in new window)Click to print (Opens in new window)