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A moving particle encounters an external field that does − 3.9 x 10-16 J of work on it as it moves from point A to point B. The electric potential at point A is − 55.0 V and the electric potential at point B is + 27.0 V. What is the charge on the particle?

Match each part of Article 2 (the BBC article) to the ideas that it covers.

Who is likely the intended audience for the Journal of Dispute Resolution article?

What is the best summary of Article 3 (the entire article) from the Journal of Dispute Resolution, “Apartheid and Jim Crow: Drawing Lessons from South Africa’s Truth and Reconciliation”?

A tungsten wire has a radius of 0.000075 m and is heated from 20.0°C to 1320°C. When 120 V is applied to across the ends of the hot wire, a current of 1.5 A is produced. (a) What is the resistivity of the wire? (b) What is the resistance of the wire? (c) How long is the wire?  

Pick one of the three articles that would support the following body point in an essay: The problems in South Africa continue to the present day. Write at least 3 sentences explaining your choice. (There is no “right” answer; you just need to justify the article you chose).

Who is likely the intended audience for the BBC article?

What is the best summary of Article 1 (the whole article) from NPR, “After Mandela: South Africa as Miracle or Mirage?”

What is the best summary of Article 2 (the whole article) from the BBC, “South Africa Zuma riots: Looting and unrest leaves 72 dead”?

Pick one of the three articles that would support the following body point in an essay: Immediately after the end of apartheid, there was a hopeful attitude about the future of South Africa. Write at least 3 sentences explaining your choice. (There is no “right” answer; you just need to justify the article you chose).