Overall, Physics 1C with Rosenzweig was bearable, but I wouldn't take it again with him. He's not the best at teaching the material since he writes his notes on an iPad and his handwriting is barely readable and he often skips through different pages of his notes during lecture, giving us little time to take down notes. Also, he often goes on a tangent and does numerous derivations that are difficult to follow. I learned more from discussion and reading the textbook than attending lecture. However, participation does matter during the lecture sections as he does in-class activities through Kudu (although you don't have to attend lecture as long as you do the activities).

As for the exams, they are quite difficult since the homework assignments do not help you in preparing for them. However, getting a decent grade on the midterms and the final is possible if you have a great TA since they would be very generous in giving partial credit. Also, cheat sheets are allowed for the tests and you are given a few extra credit points for your test grade for them.

Lastly, Rosenzweig implemented a "curve" for our class although it wasn't helpful since our class size was ~40 people. Based on the curve, you need to be at the top 10% to get an A and top 30% to get a B. However, if the curve doesn't benefit you, absolute points in the class would determine your final grade instead.