Explore a comprehensive physics problem-solving comparison in this 21-minute video from Dot Physics. Dive into a challenging electrostatics question involving three charges positioned at the corners of a square. Learn how to calculate the vector electric field at the remaining corner using different approaches. Compare and contrast the solutions provided by ChatGPT, Chegg, and the instructor, gaining valuable insights into problem-solving techniques and the strengths and limitations of various resources. Enhance your understanding of electric fields, vector analysis, and critical thinking skills in physics through this engaging and educational comparison.