An amount of work equal to 3.0 J is required to compress the spring in a spring-gun. What is the "launch speed" of a 15 g marble?
a. 14 m/s
c. 18 m/s
b. 15 m/s
d. 20 m/s
D
Physics & Space Science
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Indicate whether the statement is true or false
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Which of the following statements is true of brown dwarfs?
A) They are almost the same size as Jupiter. B) They emit most of their energy as gamma rays. C) They generate energy by hydrogen fusion. D) They are high-luminosity objects.
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The Babcock model of the solar magnetic cycle explains the sunspot cycle as primarily a consequence of the Sun's ____
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UXPin is an example of a wireframing tool.
Answer the following statement true (T) or false (F)
Physics & Space Science