A bowling ball rolls off the edge of a table at a speed of 10 m/s. One second later its
A. speed is about 14 m/s.
B. vertical component of velocity is 10 m/s.
C. horizontal component of velocity is 10 m/s.
D. all of the above
Answer: D
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What did geologists discover from studying the aftermath of the 1964 Alaskan earthquake?
A) Some parts of the coastline were uplifted and others subsided.
B) Changes in elevation were not systematic, occurring randomly over the area.
C) There was no good explanation for large waves that resulted from the earthquake.
D) Fissuring of the ground and ice was limited to an area very near the epicenter.
True or False: All weathered rock is represented by clastic particles
Indicate whether this statement is true or false.
The average depth of the photic zone is ________ in open ocean waters
a. 200 meters (660 feet) b. 600 meters (2,000 feet) c. 100 meters (330 feet) d. 10 meters (33 feet)
Angles are important when looking at which physical properties of minerals?
A) conchoidal fractures B) color streaks C) bands of different luster D) cleavages