The gain in speed each second for a freely falling object is about
A) 0 m/s.
B) 5 m/s.
C) 10 m/s.
D) 20 m/s.
E) depends on the initial speed
C
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The speed of travel for radio waves is
A. at a speed that depends on frequency. B. usually at the same speed as sound waves. C. slower, on average, than sound waves. D. always much faster than sound waves.
Bedrock and sediment in a stream is most susceptible to erosion if it is
A) in slow-moving water in an eddy. B) in a site that is sheltered from oncoming clasts. C) located in a turbulent part of the river. D) composed entirely of large clasts that affect stream flow. E) All of these are correct.
Loans from the International Monetary Fund and the World Bank tend to uphold the basis of economic and foreign policy in what country?
A) Russia B) Germany C) Japan D) United States E) United Kingdom
The higher elevation portion of a glacier where more snow accumulates in winter than melts in summer is called
a. the zone of ablation b. the zone of accumulation c. the zone of wastage d. the snowline e. isostatic rebound