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T1A - Phy 1408 Test 1 A Name(also put your name on the back...

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Phy 1408 Test 1 (02/11/08) A Name: __________________ (also put your name on the back as well) Q1. a). Two vectors A and B are added together to form a vector C . The relationship between the magnitudes of the vectors is given by A + B = C . Which one of the following statements concerning these vectors is true? (a) A and B must be displacements. (b) A and B must have equal lengths. (c) A and B must point in opposite directions. (d) A and B must point in the same direction. (e) A and B must be at right angles to each other. b). Which one of the following statements concerning the two "gravitational constants" G , the universal gravitational constant , and g the magnitude of the acceleration due to gravity is true? (a) The values of g and G depend on location. (b) The values of g and G do not depend on location. (c) The value of G is the same everywhere in the universe, but the value of g is not. (d) The value of g is the same everywhere in the universe, but the value of G is not.
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