1. A charge of -80 µC is placed on the x axis at x = 0. A second charge of +50 µC is placed on the x axis at x = 0.5 m. What is the magnitude of the electrostatic force on a third charge of 4.0 µC placed on the x axis at x = 0.3 m?

Read the excerpt from martin luther king jr.’s "i have a dream” speech. and so let freedom ring from the prodigious hilltops of new hampshire. let freedom ring from the mighty mountains of new york. let freedom ring from the heightening alleghenies of pennsylvania. let freedom ring from the snow-capped rockies of colorado. let freedom ring from the curvaceous slopes of california. but not only that: let freedom ring from stone mountain of georgia. let freedom ring from lookout mountain of tennessee. let freedom ring from every hill and molehill of mississippi. from every mountainside, let freedom ring. the most likely reason king uses allusions in this part of his speech is to share his knowledge of american geography. compare northern and southern destinations. remind listeners about small-town accountability. encourage listeners to envision freedom everywhere.

Which three sentences in this excerpt from arthur conan doyle's "the contest" suggest that the author's tone is mocking?

I’n a rough draft, where should the main idea first appear in the paper