If you exert 1 N for a distance of 1 m in 1 s, you will deliver a power of
A) 1 W.
B) 2 W.
C) 1/3 W.
D) 3 W.
E) none of the above
A
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A valid hypothesis must be
A. capable of repeating by other investigators. B. testable. C. more than an educated guess. D. all of the above
Prior to Belgian colonialism in Rwanda, the Hutus and Tutsis lived together quite peacefully. According to our text, conflicts between the groups emerged after the Belgians introduced the concept of
A) money. B) borders. C) socio-political difference. D) slavery. E) cash crops.
Which of the following describes a prog?
A. an instrument that draws lines on an upper-level chart B. a forecast chart that shows the atmosphere at some future time C. a new method of forecasting the weather D. a chart that interprets the current state of the atmosphere
Gross domestic product (GDP) is the
A) total value of the outputs minus inputs of goods and services produced in a country during a year. B) total value of exports of goods and services produced in a country during a year. C) total value of outputs of goods and services produced in a country during a year. D) total value of human capital development in a country during a year. E) total value of investments made in domestic and foreign sources of revenue during a year.