Toss a ball upward and catch it when it returns. Assume air resistance does affect the ball. Compared with the initial upward speed, the speed of the ball when caught is
A. the same.
B. less.
C. more.
Answer: B
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Matching
1. On the ocean life zones figure, choose the zone in which most organisms get their food from marine snow. 2. On the ocean life zones figure, choose the zone that contains the majority of all marine species. 3. On the ocean life zones figure, choose the zone that receives enough sunlight for photosynthesis. 4. On the ocean life zones figure, choose the zone that is dimly lit and contains zooplankton. 5. On the ocean life zones figure, choose the zone where coral reefs would be located.
Given the implications of the hydrostatic equation, we would expect that
A) pressure be independent of altitude. B) cold, dense air would have a greater vertical pressure gradient than would warm, light air. C) differences in temperature on either side of a cold front should not have any significant effect on upper-level pressure. D) differences in temperature on either side of a warm front should not have any significant effect on upper-level pressure.
Eastward-flowing wind pattern along the Arctic and Antarctic Circles
a. b. westward-flowing wind pattern along the Arctic and Antarctic Circles c. region of cold air permanently centered over the North and South Poles d. circulating air mass between the Arctic Circle and North Pole e. circulating air mass between the Antarctic Circle and the South Pole
Why are dipole-dipole molecular interactions stronger than dipole-induced dipole molecular interaction?
What will be an ideal response?