Made some questionable decisions regarding academics and wondering if my ECs will help close the gap

Was that class freshmwn year actually physics, or the more common “physical science?” If physical science, then no, you haven’t taken a physics class, and probably don’t have the background to do well. Submitting a 600 to a top school will only highlight the lack of core science classes, when others will be submitting 750+

One highly selective school that might value your approach is Olin. Have you considered them?