Want to excel in your exams? Test Bank For University Physics, 13th Edition gives you the practice and answers you need.
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1University Physics, 13e(Young/Freedman)Chapter 1Units, Physical Quantities, and Vectors1.1Conceptual Questions1) The current definition of the standard meter of length is based onA) the distance between the earth's equator and north pole.B) the distance between the earth and the sun.C) the distance traveled by light in a vacuum.D) the length of a particular object kept in France.Answer: CVar: 12) The current definition of the standard second of time is based onA) the frequency of radiation emitted by cesium atoms.B) the earth's rotation rate.C) the duration of one year.D) the oscillation of a particular pendulum kept in France.Answer: AVar: 13) The current definition of the standard kilogram of mass is based onA) the mass of the earth.B) the mass of the sun.C) the mass a particular object kept in France.D) the mass of a cesium-133 atom.Answer: CVar: 14) If a woman weighs 125 lb, her mass expressed in kilograms isxkg, wherexisA) less than 125.B) greater than 125.Answer: AVar: 15) If a tree is 15 m tall, its height expressed in feet isxft, wherexisA) less than 15.B) greater than 15.Answer: BVar: 16) If a flower is 6.5 cm wide, its width expressed in millimeters isxmm, wherexisA) less than 6.5.B) greater than 6.5.Answer: BVar: 1
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