A 1000-kg car moving at 10 m/s brakes to a stop in 5 s. The average braking force is

A) 1000 N.
B) 2000 N.
C) 3000 N.
D) 4000 N.
E) 5000 N.


B

Environmental & Atmospheric Sciences

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Explain why ethnicity will continue to contribute to local diversity even as other cultural elements become globalized

What will be an ideal response?

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Brine water may result from

A) stagnation of water in a floodplain swamp. B) high evapotranspiration rates. C) heavy rainfall and low temperatures. D) the influx of river water into the ocean.

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________, intermixed granitic and metamorphic rock, may represent those parts of mountain belts that were once at even deeper levels of the crust.

A. Pegmatites B. Sutures C. Subduction patterns D. Migmatites E. Extensional fabric

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Which of the following is not true of the process of biological extinction?

a. The extinction of an organism can be reversed if enough government funding is provided. b. There has always been a certain low-level amount of ongoing background extinction occurring. c. Completely natural processes can cause population extinctions. d. Human activities have resulted in population extinctions. e. a, b and c are all correct, but not d

Environmental & Atmospheric Sciences