Physics, 07.01.2021 17:50, Leggett796

Hi guys . I'm having some troubles with physics and chemistry . Do you know any sites or apps that can help me with any topic in physics and chemistry ( apart from Khan academy ) ?

Note : The site or app has to be able to teach and explain topics in Physics and Chemistry .

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Hi guys . I'm having some troubles with physics and chemistry . Do you know any sites or apps that...