Begs faustus to stop searching the dark arts for "forbidden knowledge" because god’s wrath will fall upon him otherwise.

The correct answer is the Good Angel.

Whenever Faustus is contemplating about what he should do with his life and his future, two angels appear to offer him advice. The Good Angel obviously wants him to follow the righteous path and return to God (which is the correct answer here), whereas the Bad Angel wants him to continue living his sinful life and ultimately end up in Hell.

vector v such that t( p) = p+ v

uncanny would be like unlucky or disaster. you can look for more in the dictionary or if you have text book then turn to a. 17 but it's different with textbooks.