Answer:
Work is done whenever a force or a component of a force results in a displacement. No component of the force is acting in the direction of motion when the book is moved horizontally with a constant velocity. The force and the displacement are independent.
Your answer would be a superpower or global power.
Answer:
Elizabeth Alexander wrote Praise Song for the Day to celebrate the swearing in of her friend, and former University of Chicago colleague, Barack Obama as the 44th president of the United States.
Explanation:
A - Greeks wrote the most complete history of the early Olympics.
None of the other answers apply in this case. I'ts not true of course that Greeks had no interest in the study of their own history, nor are they only famous because the Egyptians recorded their whole history. They did howevre, write a history of their own olympics and how they were performed.
