should i try this

If you have an interest in it, it might not be a huge challenge for you, because you also enjoy it. Web design skills are in really high demand, so it would be smart to minor in it. that being said, lots of people just practice by offering their services for free and learn on their own.

Don't listen to anybody, listen to your heart! If you feel you can combine learning physics, English and Computer science, just try, you can always give up the latter in case of serious obstacles. However, in case of success, you'll become much more competitive as a specialist compared to your class mates and rivals when searching for work in various fields of studies, including IT. As for the possible difficulties in computer science, consider assistance here: https://assignmentcore.com/computer-science-homework-help/. As for my personal opinion I think you don't need any experts to help with your IT homework, as you seem to be quiet motivated and people like you are reaching their ends.