1. Part A Answer all questions in this part. Directions (1 - 35): For each statement or question, choose the word or expression that, of those given, best completes the statement or answers the question. Some questions may require the use of the 2006 Edition Reference Tables for Physical Setting/Physics. Record your answers on your separate answer sheet. 1 Which quantities are scalar? (1) speed and work (2) velocity and force (3) distance and acceleration (4) momentum and power   1   2   3   4   Hint Half-n-half Clue   2. 2 A 3.00-kilogram mass is thrown vertically upward with an initial speed of 9.80 meters per second. What is the maximum height this object will reach? [Neglect friction.] (1) 1.00 m (3) 9.80 m (2) 4.90 m (4) 19.6 m   1   2   3   4   Half-n-half Clue   3. 3 An airplane traveling north at 220. meters per second encounters a 50.0-meters-per-second crosswind from west to east, as represented in the diagram below. What is the resultant speed of the plane? (1) 170. m/s (3) 226 m/s (2) 214 m/s (4) 270. m/s   1   2   3   4   Half-n-half Clue   4. 4 A 160.-kilogram space vehicle is traveling along a straight line at a constant speed of 800. meters per second. The magnitude of the net force on the space vehicle is   1   2   3   4   Half-n-half Clue   5. 5 A student throws a 5.0-newton ball straight up. What is the net force on the ball at its maximum height? (1) 0.0 N (3) 5.0 N, down (2) 5.0 N, up (4) 9.8 N, down   1   2   3   4   Half-n-half Clue   6. 6 A vertical spring has a spring constant of 100. newtons per meter. When an object is attached to the bottom of the spring, the spring changes from its unstretched length of 0.50 meter to a length of 0.65 meter. The magnitude of the weight of the attached object is (1) 1.1 N (3) 50. N (2) 15 N (4) 65 N   1   2   3   4   Half-n-half Clue   7. 7 A 1.5-kilogram cart initially moves at 2.0 meters per second. It is brought to rest by a constant net force in 0.30 second. What is the magnitude of the net force? (1) 0.40 N (3) 10. N (2) 0.90 N (4) 15 N   1   2   3   4   Half-n-half Clue   8. 8 Which characteristic of a light wave must increase as the light wave passes from glass into air? (1) amplitude (3) period (2) frequency (4) wavelength   1   2   3   4   Half-n-half Clue   9. 9 As a 5.0 × 102-newton basketball player jumps from the floor up toward the basket, the magnitude of the force of her feet on the floor is 1.0 × 103 newtons. As she jumps, the magnitude of the force of the floor on her feet is (1) 5.0 × 102 N (3) 1.5 × 103 N (2) 1.0 × 103 N (4) 5.0 × 105 N   1   2   3   4   Half-n-half Clue   10. 10 A 0.0600-kilogram ball traveling at 60.0 meters per second hits a concrete wall. What speed must a 0.0100-kilogram bullet have in order to hit the wall with the same magnitude of momentum as the ball? (1) 3.60 m/s (3) 360. m/s (2) 6.00 m/s (4) 600. m/s   1   2   3   4   Half-n-half Clue   11. 11 The Hubble telescope’s orbit is 5.6 × 105 meters above Earth’s surface. The telescope has a mass of 1.1 × 104 kilograms. Earth exerts a gravitational force of 9.1 × 104 newtons on the telescope. The magnitude of Earth’s gravitational field strength at this location is (1) 1.5 × 10−20 N/kg (3) 8.3 N/kg (2) 0.12 N/kg (4) 9.8 N/kg   1   2   3   4   Half-n-half Clue   12. 12 When two point charges are a distance d apart, the magnitude of the electrostatic force between them is F. If the distance between the point charges is increased to 3d, the magnitude of the electrostatic force between the two charges will be   1   2   3   4   Half-n-half Clue   13. 13 A radio operating at 3.0 volts and a constant temperature draws a current of 1.8 × 10−4 ampere. What is the resistance of the radio circuit? (1) 1.7 × 104 Ω (3) 5.4 × 10−4 Ω (2) 3.0 × 101 Ω (4) 6.0 × 10−5 Ω   1   2   3   4   Half-n-half Clue   14. 14 Which energy transformation occurs in an operating electric motor? (1) electrical → mechanical (2) mechanical → electrical (3) chemical → electrical (4) electrical → chemical   1   2   3   4   Half-n-half Clue   15. 15 A block slides across a rough, horizontal tabletop. As the block comes to rest, there is an increase in the block-tabletop system’s (1) gravitational potential energy (2) elastic potential energy (3) kinetic energy (4) internal (thermal) energy   1   2   3   4   Half-n-half Clue