A 500-N skydiver reaches terminal velocity at 90 km/h, with an air resistance of
A. 250 N.
B. 410 N.
C. 500 N.
D. 90 N.
Answer: C
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Which of the following best matches the description?The office of the President of the United States.
A. World Bank B. Environmental Quality Amendment C. executive branch D. legislative branch E. Earth Day F. wise-use G. judicial branch H. command and control I. NGO J. policy
If fog is forming in Denver, Colorado (located on the eastern side of the Rocky Mountains), and the wind is blowing from the east, then the fog is most likely
a. ?advection fog. b. ?frontal fog. c. ?upslope fog. d. ?radiation fog. e. ?downslope fog.
A(n) ____________________ organizes similar entities together into groups that are distinguished by particular characteristics that they share to the exclusion of other groups
Fill in the blank(s) with correct word
Which scenario led to the disaster that destroyed the city of Armero in 1985?
A) Heavy rains saturated the slopes of Nevado del Ruiz. B) Flooding eroded the slope of Nevado del Ruiz, oversteepening it. C) An earthquake shook the slope materials of Nevado del Ruiz loose, causing a landslide. D) Heat from the eruption of Nevado del Ruiz melted the volcano's ice cap.