A 1-kg ball is tossed straight upward at 10 m/s. Neglecting air resistance, the net force that acts on the ball when halfway to the top of its path is
A. 1/2 N.
B. 5 N.
C. 10 N.
D. 1 N.
Answer: C
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What is the historical significance of the martyrdom story of Perpetua and Felicity?
A) Their story shows the prominent place that women could play in the early church B) Their story shows Christianity as the great equalizer: while Perpetua was a noblewoman and Felicity her slave, the two were martyred together C) Their story shows Christians' rejection of traditional Roman values and expectations D) All of the above
The present geologic time scale is based on relative and numerical dating techniques
a. True b. False
Discuss the publication of the world’s first geologic map. Who published it? What area did it
cover? What was the purpose of this map? What will be an ideal response?
Which of the following coastal cities has subsided the most?
A. Taipei, Taiwan B. Mexico City, Mexico C. Venice, Italy D. London, England