PhysicsLAB NY Regents Exams
June 2002, Part 3

Constants        Formulas

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41 The potential difference applied to a circuit element remains constant as the resistance of the element is varied. Which graph best represents the relationship between power (P) and resistance (R) of this element?

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42 Which graph best represents the elastic potential energy stored in a spring (PEs) as a function of its elongation, x?

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43 Which graph best represents the relationship between the gravitational potential energy of a freely falling object and the object’s height above the ground near the surface of Earth?

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44 A force vector was resolved into two perpendicular components, F1 and F2, as shown in the diagram below. 

Which vector best represents the original force?

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45 A beam of monochromatic light (f = 5.09 1014 hertz) passes through parallel sections of glycerol, medium X, and medium Y
as shown in the diagram below. What could medium X and medium Y be?

(1) X could be flint glass and Y could be corn oil.
(2) X could be corn oil and Y could be flint glass.
(3) X could be water and Y could be glycerol.
(4) X could be glycerol and Y could be water.





Additional Tests
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