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Physical Setting / Physics - New York Regents June 2011 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 Scalar is to vector as
  (1) speed is to velocity
  (2) displacement is to distance
  (3) displacement is to velocity
  (4) speed is to distance

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2.

2 If a car accelerates uniformly from rest to
  15 meters per second over a distance of
  100. meters, the magnitude of the car’s
  acceleration is
  (1) 0.15 m/s2          (3) 2.3 m/s2
  (2) 1.1 m/s2           (4) 6.7 m/s2

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3.

3 An object accelerates uniformly from 3.0 meters
  per second east to 8.0 meters per second east in
  2.0 seconds. What is the magnitude of the
  acceleration of the object?
  (1) 2.5 m/s2              (3) 5.5 m/s2
  (2) 5.0 m/s2              (4) 11 m/s2

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4.

4 A rock is dropped from a bridge. What happens
  to the magnitude of the acceleration and the
  speed of the rock as it falls? [Neglect friction.]
  (1) Both acceleration and speed increase.
  (2) Both acceleration and speed remain the
      same.
  (3) Acceleration increases and speed decreases.
  (4) Acceleration remains the same and speed
      increases.

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5.

5 A soccer ball kicked on a level field has an initial
  vertical velocity component of 15.0 meters per
  second. Assuming the ball lands at the same
  height from which it was kicked, what is the total
  time the ball is in the air? [Neglect friction.]
  (1) 0.654 s                 (3) 3.06 s
  (2) 1.53 s                  (4) 6.12 s

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6.

6 A student is standing in an elevator that is
  accelerating downward. The force that the
  student exerts on the floor of the elevator must
  be
  (1) less than the weight of the student when at
      rest
  (2) greater than the weight of the student when
      at rest
  (3) less than the force of the floor on the student
  (4) greater than the force of the floor on the
      student

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7.

7 The magnitude of the centripetal force acting on
  an object traveling in a horizontal, circular path
  will decrease if the
  (1) radius of the path is increased
  (2) mass of the object is increased
  (3) direction of motion of the object is reversed
  (4) speed of the object is increased

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8.

8 The centripetal force acting on the space shuttle
  as it orbits Earth is equal to the shuttle’s
  (1) inertia                 (3) velocity
  (2) momentum                (4) weight

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9.

9 As a box is pushed 30. meters across a horizontal
  floor by a constant horizontal force of
  25 newtons, the kinetic energy of the box
  increases by 300. joules. How much total internal
  energy is produced during this process?
  (1) 150 J                  (3) 450 J
  (2) 250 J                  (4) 750 J

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10.

10 What is the power output of an electric motor
   that lifts a 2.0-kilogram block 15 meters
   vertically in 6.0 seconds?
   (1) 5.0 J                  (3) 49 J
   (2) 5.0 W                  (4) 49 W

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11.

11 Four identical projectiles are launched with the same initial speed, v, but at various angles above the level
   ground. Which diagram represents the initial velocity of the projectile that will have the largest total
   horizontal displacement? [Neglect air resistance.]

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12.

12 Two forces act concurrently on an object on a horizontal, frictionless surface, as shown in the diagram
   below.
What additional force, when applied to the object, will establish equilibrium?
(1) 16 N toward the right                      (3) 4 N toward the right
(2) 16 N toward the left                       (4) 4 N toward the left

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13.

13 As shown in the diagram below, an open box and its contents have a combined mass of 5.0 kilograms.
   A horizontal force of 15 newtons is required to push the box at a constant speed of 1.5 meters per second
   across a level surface.
The inertia of the box and its contents increases if there is an increase in the
(1) speed of the box
(2) mass of the contents of the box
(3) magnitude of the horizontal force applied to the box
(4) coefficient of kinetic friction between the box and the level surface

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14.

14 Which statement describes the kinetic energy and total mechanical energy of a block as it is pulled at
   constant speed up an incline?
   (1) Kinetic energy decreases and total mechanical energy increases.
   (2) Kinetic energy decreases and total mechanical energy remains the same.
   (3) Kinetic energy remains the same and total mechanical energy increases.
   (4) Kinetic energy remains the same and total mechanical energy remains the same.

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15.

15 Which diagram represents the electric field lines between two small electrically charged spheres?

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16.

16 The diagram below represents a view from above of a tank of water in which parallel wave fronts are
   traveling toward a barrier.
                   Water Tank
Which arrow represents the direction of travel for the wave fronts after being reflected from the barrier?
(1) A                                           (3) C
(2) B                                           (4) D

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17.

17 Two metal spheres, A and B, possess charges
   of 1.0 microcoulomb and 2.0 microcoulombs,
   respectively. In the diagram below, arrow F
   represents the electrostatic force exerted on
   sphere B by sphere A.
Which arrow represents the magnitude and
direction of the electrostatic force exerted on
sphere A by sphere B?

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18.

18 The diagram below represents a positively
   charged particle about to enter the electric field
   between two oppositely charged parallel plates.
The electric field will deflect the particle
(1) into the page
(2) out of the page
(3) toward the top of the page
(4) toward the bottom of the page

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19.

19 What is the total amount of work required to
   move a proton through a potential difference of
   100. volts?
   (1) 1.60 × 10–21 J     (3) 1.00 × 102 J
   (2) 1.60 × 10–17 J     (4) 6.25 × 1020 J

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20.

20 What is the current through a wire if
   240 coulombs of charge pass through the wire in
   2.0 minutes?
   (1) 120 A               (3) 0.50 A
   (2) 2.0 A               (4) 0.0083 A

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21.

21 An electric circuit consists of a variable resistor
   connected to a source of constant potential
   difference. If the resistance of the resistor is
   doubled, the current through the resistor is
   (1) halved                (3) quartered
   (2) doubled               (4) quadrupled

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22.

22 Circuit A has four 3.0-ohm resistors connected in
   series with a 24-volt battery, and circuit B has two
   3.0-ohm resistors connected in series with a
   24-volt battery. Compared to the total potential
   drop across circuit A, the total potential drop
   across circuit B is
   (1) one-half as great       (3) the same
   (2) twice as great          (4) four times as great

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23.

23 How much total energy is dissipated in 10. seconds
   in a 4.0-ohm resistor with a current of
   0.50 ampere?
   (1) 2.5 J                (3) 10. J
   (2) 5.0 J                (4) 20. J

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24.

24 Moving a length of copper wire through a
   magnetic field may cause the wire to have a
   (1) potential difference across it
   (2) lower temperature
   (3) lower resistivity
   (4) higher resistance

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25.

25 A pulse traveled the length of a stretched spring.
   The pulse transferred
   (1) energy, only
   (2) mass, only
   (3) both energy and mass
   (4) neither energy nor mass

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26.

26 The graph below represents the displacement of
   a particle in a medium over a period of time.
The amplitude of the wave is
(1) 4.0 s               (3) 8 cm
(2) 6.0 s               (4) 4 cm

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27.

27 What is the period of a water wave if 4.0
   complete waves pass a fixed point in 10. seconds?
   (1) 0.25 s                (3) 2.5 s
   (2) 0.40 s                (4) 4.0 s

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28.

28 The diagram below represents a periodic wave.
Which point on the wave is 90° out of phase with
point P?
(1) A                   (3) C
(2) B                   (4) D

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29.

29 What is the wavelength of a 256-hertz sound
   wave in air at STP?
   (1) 1.17 × 106 m      (3) 0.773 m
   (2) 1.29 m            (4) 8.53 × 10–7 m

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30.

30 What is the minimum total energy released when
   an electron and its antiparticle (positron)
   annihilate each other?
   (1) 1.64 × 10–13 J      (3) 5.47 × 10–22 J
   (2) 8.20 × 10–14 J      (4) 2.73 × 10–22 J

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31.

31 Which statement correctly describes one
   characteristic of a sound wave?
   (1) A sound wave can travel through a vacuum.
   (2) A sound wave is a transverse wave.
   (3) The amount of energy a sound wave
       transmits is directly related to the wave’s
       amplitude.
   (4) The amount of energy a sound wave
       transmits is inversely related to the wave’s
       frequency.

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32.

32 A 256-hertz vibrating tuning fork is brought near
   a nonvibrating 256-hertz tuning fork. The second
   tuning fork begins to vibrate. Which
   phenomenon causes the nonvibrating tuning fork
   to begin to vibrate?
   (1) resistance            (3) refraction
   (2) resonance             (4) reflection

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33.

33 Astronauts traveling toward Earth in a fast-
   moving spacecraft receive a radio signal from an
   antenna on Earth. Compared to the frequency
   and wavelength of the radio signal emitted from
   the antenna, the radio signal received by the
   astronauts has a
   (1) lower frequency and a shorter wavelength
   (2) lower frequency and a longer wavelength
   (3) higher frequency and a shorter wavelength
   (4) higher frequency and a longer wavelength

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34.

34 On the atomic level, energy and matter exhibit
   the characteristics of
   (1) particles, only
   (2) waves, only
   (3) neither particles nor waves
   (4) both particles and waves

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35.

35 Which particles are not affected by the strong
   force?
   (1) hadrons             (3) neutrons
   (2) protons             (4) electrons

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