Which of the following locations has the smallest (in magnitude) magnetic declination?
a. Washington state
b. the South Carolina – Georgia border
c. the San Francisco – Oakland area
d. western Colorado
b
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A high tide is occurring at Charleston, South Carolina (80°W, 33°N). What two longitudes are experiencing low tide?
A mass of 5 kg is released from rest on a smooth incline making an angle of 37° to the horizontal. The tangential component of acceleration is closest to:
1.10 m/s²
2.8 m/s²
3.6 m/s²
4.4 m/s²
5.2 m/s²
6.0 m/s²
7.Exactly halfway between 2 of the above answers
8.The negative of one of the answers above
9.It is impossible to determine the tangential component of the block's acceleration
10.I do not know what is meant by "tangential" in this situation
Hydrogen lines are weak in the spectra of hot stars because many of the hydrogen atoms have their electrons in levels above the second level
a. True b. False Indicate whether the statement is true or false
When rock is broken down into smaller and smaller pieces, we say the rock has undergone
A) chemical weathering. B) mechanical weathering. C) erosion. D) lithification.