The human body can, under certain conditions, withstand an acceleration of 10g. What net force would produce this acceleration on a 50-kg person?
A) about 500 N
B) about 2500 N
C) about 5000 N
D) about 25,000 N
E) none of the above
C
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The correct sequence of layers of the atmosphere from innermost to outermost is
a. mesosphere—stratosphere—thermosphere—troposphere b. troposphere—stratosphere—mesosphere—thermosphere c. stratosphere—thermosphere—troposphere—mesosphere d. thermosphere—stratosphere—mesosphere—troposphere e. thermosphere—mesosphere—stratosphere—troposphere
While Japan is noted for its frequent earthquakes, volcanoes are absent from the islands
Indicate whether the statement is true or false
As a northward-moving hurricane passes to the east of an area, surface winds should change from
a. ?NW to N to NE. b. ?W to SW to S. c. ?NE to N to NW. d. ?S to SW to W. e. ?SE to S to SW.
The altitudinal difference (relief) between the top of the tallest mountain and the bottom of the deepest ocean trench is closest to ________ kilometers (miles)
A) 20 (12) B) 200 (122) C) 2,000 (1,220) D) 20,000 (12,200) E) 200,000 (122,000)