A projectile is fired horizontally in a region of no air resistance. The projectile maintains its horizontal component of speed because
A) it is not acted on by any forces.
B) it is not acted on by any horizontal forces.
C) it has no vertical component of speed to begin with.
D) the net force acting on it is zero.
E) none of the above
B
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A male lion living to age seven in Kenya represents the greatest instrumental value as a(n)
A. sporting trophy. B. tourist attraction. C. exotic pet. D. specimen sold alive to a zoo. E. specimen killed for its skin.
Why was the Berlin conference both an important event and an important symbol of European colonialism in Sub-Saharan Africa?
What will be an ideal response?
At the 2009 Copenhagen climate conference,
A) more than 180 nations signed non-binding GHG reduction pledges. B) binding resolutions were signed by all attending nations. C) timetables were agreed upon for GHG reductions. D) most nations boycotted the meetings under pressure from fossil fuel companies.
The highest wind wave ever measured was 34 meters high.
Answer the following statement true (T) or false (F)