A meter stick is hinged at its lower end and allowed to fall from a vertical position. If its moment of inertia is ML2/3, with what angular speed does it hit the table?
a. 5.42 rad/s
c. 1.22 rad/s
b. 2.71 rad/s
d. 7.67 rad/s
A
Physics & Space Science
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A vertical wire carries a current straight down. To the east of this wire, the magnetic field points
A) toward the north. B) toward the east. C) toward the west. D) toward the south. E) downward.
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Two isotopes have the same mass number
a. True b. False Indicate whether the statement is true or false
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The length of a telescope is 2.00 m and the focal length of the objective lens is 2.0 cm. What is the focal length of the eyepiece?
A) 200 cm B) 202 cm C) 101 cm D) 2.0 cm E) 198 cm
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Briefly summarize current knowledge about the term Np in the equation Number of Civilizations = Np × flife × fcivilization × fnow
What will be an ideal response?
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