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Help with homework questions
Please ask your own teachers or tutors :')

Feedback on your physics work
It is unlikely that I will be an expert in the field you are trying to progress. YouTube should not be your primary source of scientific research. You will need to engage with current literature (journal papers), textbooks, and academics working in the field.

Other business enquiries
Unfortunately I cannot reply to emails that are personal in nature. If you have a business enquiry you can send an email to the below address but please do not expect a reply:
contact @ tobyhendy (dot) com