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Physical Setting / Physics - New York Regents June 2010 Exam

     Directions (1–35): For each statement or question, write in your answer booklet the number of the word
or expression that, of those given, best completes the statement or answers the question.

Formats Worksheet / Test Paper Quiz Review
: Multiple choice

Your Performance  

1.

1 A baseball player runs 27.4 meters from the
  batter’s box to first base, overruns first base by
  3.0 meters, and then returns to first base.
  Compared to the total distance traveled by the
  player, the magnitude of the player’s total
  displacement from the batter’s box is
  (1) 3.0 m shorter          (3) 3.0 m longer
  (2) 6.0 m shorter          (4) 6.0 m longer

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2.

2 A motorboat, which has a speed of 5.0 meters
  per second in still water, is headed east as it
  crosses a river flowing south at 3.3 meters per
  second. What is the magnitude of the boat’s
  resultant velocity with respect to the starting
  point?
  (1) 3.3 m/s               (3) 6.0 m/s
  (2) 5.0 m/s               (4) 8.3 m/s

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3.

3 A car traveling on a straight road at 15.0 meters
  per second accelerates uniformly to a speed of
  21.0 meters per second in 12.0 seconds. The
  total distance traveled by the car in this
  12.0-second time interval is
  (1) 36.0 m                 (3) 216 m
  (2) 180. m                 (4) 252 m

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4.

4 A 0.149-kilogram baseball, initially moving at
  15 meters per second, is brought to rest in
  0.040 second by a baseball glove on a catcher’s
  hand. The magnitude of the average force
  exerted on the ball by the glove is
  (1) 2.2 N                 (3) 17 N
  (2) 2.9 N                 (4) 56 N

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5.

5 Which body is in equilibrium?
  (1) a satellite moving around Earth in a circular
      orbit
  (2) a cart rolling down a frictionless incline
  (3) an apple falling freely toward the surface of
      Earth
  (4) a block sliding at constant velocity across a
      tabletop

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6.

6 As shown in the diagram below, a student
  standing on the roof of a 50.0-meter-high
  building kicks a stone at a horizontal speed of
  4.00 meters per second.
How much time is required for the stone to
reach the level ground below? [Neglect friction.]
(1) 3.19 s                (3) 10.2 s
(2) 5.10 s                (4) 12.5 s

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7.

7 On the surface of Earth, a spacecraft has a mass
  of 2.00 × 104 kilograms. What is the mass of the
  spacecraft at a distance of one Earth radius
  above Earth’s surface?
  (1) 5.00 × 103 kg        (3) 4.90 × 104 kg
  (2) 2.00 × 104 kg        (4) 1.96 × 105 kg

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8.

8 A student pulls a 60.-newton sled with a force
  having a magnitude of 20. newtons. What is the
  magnitude of the force that the sled exerts on the
  student?
  (1) 20. N                 (3) 60. N
  (2) 40. N                 (4) 80. N

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9.

9 The data table below lists the mass and speed of
  four different objects.
                  Data Table
    Object       Mass (kg)     Speed (m/s)
       A             4.0            6.0
       B             6.0            5.0
       C             8.0            3.0
       D           16.0             1.5
  Which object has the greatest inertia?
  (1) A                    (3) C
  (2) B                    (4) D

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10.

10 The diagram below shows a horizontal 12-newton force being applied to two blocks, A and B,
   initially at rest on a horizontal, frictionless surface. 
   Block A has a mass of 1.0 kilogram and block B has a mass of 2.0 kilograms.
The magnitude of the acceleration of block B is
(1) 6.0 m/s2            (3) 3.0 m/s2
(2) 2.0 m/s2            (4) 4.0 m/s2

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11.

11 A ball is thrown vertically upward with an initial
   velocity of 29.4 meters per second. What is the
   maximum height reached by the ball? [Neglect
   friction.]
   (1) 14.7 m                 (3) 44.1 m
   (2) 29.4 m                 (4) 88.1 m

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12.

12 The diagram below represents a mass, m, being
   swung clockwise at constant speed in a horizontal
   circle.
At the instant shown, the centripetal force acting
on mass m is directed toward point
(1) A                     (3) C
(2) B                     (4) D

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13.

13 A 3.1-kilogram gun initially at rest is free to
   move. When a 0.015-kilogram bullet leaves the
   gun with a speed of 500. meters per second, what
   is the speed of the gun?
   (1) 0.0 m/s               (3) 7.5 m/s
   (2) 2.4 m/s               (4) 500. m/s

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14.

14 Four projectiles, A, B, C, and D, were launched from, and returned to, level ground. The data table below
   shows the initial horizontal speed, initial vertical speed, and time of flight for each projectile.
                                                 Data Table
                                 Initial Horizontal     Initial Vertical
                Projectile                                                   Time of Flight (s)
                                    Speed (m/s)          Speed (m/s)
                     A                  40.0                  29.4                   6.00
                     B                  60.0                  19.6                   4.00
                     C                  50.0                  24.5                   5.00
                     D                  80.0                  19.6                   4.00
   Which projectile traveled the greatest horizontal distance? [Neglect friction.]
   (1) A                                           (3) C
   (2) B                                           (4) D

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15.

15 A wound spring provides the energy to propel a toy car across a level floor. At time ti ,the car is moving at
   speed vi across the floor and the spring is unwinding, as shown below. At time tf , the spring has fully
   unwound and the car has coasted to a stop.
Which statement best describes the transformation of energy that occurs between times ti and tf ?
(1) Gravitational potential energy at ti is converted to internal energy at tf .
(2) Elastic potential energy at ti is converted to kinetic energy at tf .
(3) Both elastic potential energy and kinetic energy at ti are converted to internal energy at tf .
(4) Both kinetic energy and internal energy at ti are converted to elastic potential energy at tf .

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16.

16 A 75-kilogram bicyclist coasts down a hill at a constant speed of 12 meters per second. What is the kinetic
   energy of the bicyclist?
   (1) 4.5 × 102 J                                  (3) 5.4 × 103 J
   (2) 9.0 × 102 J                                  (4) 1.1 × 104 J

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17.

17 The diagram below represents a 155-newton box
   on a ramp. Applied force F causes the box to slide
   from point A to point B.
What is the total amount of gravitational
potential energy gained by the box?
(1) 28.4 J               (3) 868 J
(2) 279 J                (4) 2740 J

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18.

18 An electric heater operating at 120. volts draws
   8.00 amperes of current through its 15.0 ohms of
   resistance. The total amount of heat energy
   produced by the heater in 60.0 seconds is
   (1) 7.20 × 103 J         (3) 8.64 × 104 J
   (2) 5.76 × 104 J         (4) 6.91 × 106 J

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19.

19 Magnetic fields are produced by particles that are
   (1) moving and charged
   (2) moving and neutral
   (3) stationary and charged
   (4) stationary and neutral

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20.

20 A charge of 30. coulombs passes through a
   24-ohm resistor in 6.0 seconds. What is the
   current through the resistor?
   (1) 1.3 A                 (3) 7.5 A
   (2) 5.0 A                 (4) 4.0 A

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21.

21 What is the magnitude of the electrostatic force
   between two electrons separated by a distance of
   1.00 × 10–8 meter?
   (1) 2.56 × 10–22 N      (3) 2.30 × 10–12 N
   (2) 2.30 × 10–20 N      (4) 1.44 × 10–1 N

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22.

22 The diagram below represents the electric field
   surrounding two charged spheres, A and B.
What is the sign of the charge of each sphere?
(1) Sphere A is positive and sphere B is negative.
(2) Sphere A is negative and sphere B is positive.
(3) Both spheres are positive.
(4) Both spheres are negative.

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23.

23 Which circuit has the smallest equivalent
   resistance?

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24.

Base your answers to questions 24 through 26 on the information and diagram below.
            A longitudinal wave moves to the right through a uniform medium, as shown below.
          Points A, B, C, D, and E represent the positions of particles of the medium.
24 Which diagram best represents the motion of the particle at position C as the wave moves to the right?

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25.

25 The wavelength of this wave is equal to the distance between points
   (1) A and B                                     (3) B and C
   (2) A and C                                     (4) B and E

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26.

26 The energy of this wave is related to its
   (1) amplitude                               (3) speed
   (2) period                                  (4) wavelength

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27.

27 A ray of monochromatic yellow light ( f = 5.09 × 1014 Hz) passes from water through flint glass and into
   medium X, as shown below.
The absolute index of refraction of medium X is
(1) less than 1.33                             (3) greater than 1.52 and less than 1.66
(2) greater than 1.33 and less than 1.52       (4) equal to 1.66

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28.

28 A light ray traveling in air enters a second
   medium and its speed slows to 1.71 × 108 meters
   per second. What is the absolute index of
   refraction of the second medium?
   (1) 1.00                  (3) 1.75
   (2) 0.570                 (4) 1.94

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29.

29 Playing a certain musical note on a trumpet
   causes the spring on the bottom of a nearby
   snare drum to vibrate. This phenomenon is an
   example of
   (1) resonance           (3) reflection
   (2) refraction          (4) diffraction

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30.

30 In a vacuum, all electromagnetic waves have the
   same
   (1) speed                (3) frequency
   (2) phase                (4) wavelength

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31.

31 A particle that is composed of two up quarks and
   one down quark is a
   (1) meson                 (3) proton
   (2) neutron               (4) positron

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32.

32 A helium atom consists of two protons, two
   electrons, and two neutrons. In the helium atom,
   the strong force is a fundamental interaction
   between the
   (1) electrons, only
   (2) electrons and protons
   (3) neutrons and electrons
   (4) neutrons and protons

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33.

33 What total mass must be converted into energy
   to produce a gamma photon with an energy of
   1.03 × 10–13 joule?
   (1) 1.14 × 10–30        (3) 3.09 × 10–5
   (2) 3.43 × 10–22        (4) 8.75 × 1029

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34.

34 Compared to the mass and charge of a proton,
   an antiproton has
   (1) the same mass and the same charge
   (2) greater mass and the same charge
   (3) the same mass and the opposite charge
   (4) greater mass and the opposite charge

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35.

   Note that question 35 has only three
   choices.
35 As viewed from Earth, the light from a star has
   lower frequencies than the light emitted by the
   star because the star is
   (1) moving toward Earth
   (2) moving away from Earth
   (3) stationary

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