As a golf ball falls after rolling off the edge of a table, its vertical component of motion

A. remains constant.
B. increases.
C. cannot be analyzed.
D. decreases.


Answer: B

Environmental & Atmospheric Sciences

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Which of the following is an accepted designation for the strand of DNA that is transcribed into RNA?

A) template strand B) (-) strand C) antisense strand D) all of these

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New oil is born where ________.

A. there are continental swamps B. large animals, such as dinosaurs, once lived C. the Earth degases D. active plate subduction takes place E. dead organic matter is sealed in an oxygen-deprived burial

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An elevator does 1000 J of work in elevating it one floor in 20 s. The power used by the elevator is

A. 20 W B. 100 W C. 50 W D. 1000 W

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