PhysicsLAB NY Regents Exams
June 2003, Part 3

Constants        Formulas

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41 In the diagram below, two positively charged spheres, A and B, of masses mA and mB are located a distance d apart.

Which diagram best represents the directions of the gravitational force, Fg, and the electrostatic force, Fe, acting on sphere A due to the mass and charge of sphere B? [Vectors are not drawn to scale.]

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42 Which graph best represents the relationship between the kinetic energy, KE, and the velocity of an object accelerating in a straight line?

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43 Which circuit diagram below correctly shows the connection of ammeter A and voltmeter V to measure the current through and potential difference across resistor R?

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44 Identical resistors (R) are connected across the same 12-volt battery. Which circuit uses the greatest power?

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45 The diagram below shows two pulses, A and B, approaching each other in a uniform medium.

Which diagram best represents the superposition of the two pulses?

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46 Which graph best represents the motion of an object that is not in equilibrium as it travels along a straight line?

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47 Three forces act on a box on an inclined plane as shown in the diagram below. [Vectors are not drawn to scale.]

If the box is at rest, the net force acting on it is equal to

(1) the weight
(2) the normal force
(3) friction
(4) zero





Additional Tests
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