PhysicsLAB: PhysicsBowl 2018 (Part 1)

PhysicsLAB

AAPT Quiz
PhysicsBowl 2018 (Part 1)

Printer Friendly Version

All Division I students, START HERE.
All Division II students – skip the first 10 questions, begin on #11.
*** Treat g = 10 m/s2 in ALL problems, #1-#50.

1. A quick Google search reveals that your phone operates at a frequency of 850 x 10⁶ Hz. Which of the following choices best represents this frequency using metric prefixes?

(A) 850 µHz(B) 850 mHz(C) 850 kHz(D) 850 MHz(E) 850 GHz

2. A standard metal electroscope is positively charged. A person that is grounded (neutral charge) then touches the top portion of the electroscope with their finger. Which one of the following choices most correctly explains what happens when the finger touches the electroscope?

(A) The leaves of the electroscope come back together because excess protons conduct to the finger from the electroscope.
(B) The leaves of the electroscope come back together because electrons conduct to the electroscope from the finger.
(C) The leaves remain where they are as nothing occurs.
(D) The leaves of the electroscope move apart as electrons conduct from the electroscope to the finger.
(E) The leaves of the electroscope move apart as protons conduct from the finger to the electroscope.

3. Which of the following is NOT a vector quantity?

(A) Acceleration(B) Average velocity(C) Linear momentum(D) Potential energy(E) Force

4. A ball is thrown vertically downward with an initial speed of 12.0 m/s from a height of 10.0 m above the ground. Ignoring air resistance, what is the speed of the ball when it reaches the ground?

(A) 18.5 m/s(B) 14.6 m/s(C) 14.0 m/s(D) 12.8 m/s(E) 12.0 m/s

5. A particle travels at a constant speed around a circular path of radius R. If the particle makes one complete trip around the entire circle, what is the magnitude of the displacement for this trip?

(A) πR(B) 2R(C) 2πR(D) 4R(E) 0

6. What temperature on the Kelvin scale is equivalent to 37^o Celsius?

(A) 310 K(B) 283 K(C) 256 K(D) 37 K(E) 19 K

7. What is the percent uncertainty in the measurement 2.54 ± 0.16 cm?

(A) 2.9%(B) 6.3%(C) 8.7%(D) 12.6%(E) 14%

8. An Olympic bobsled needs to negotiate a 100 m radius turn at 35 m/s without skidding. What minimum banking angle of the turn is needed for this to happen? (Ignore friction.)

(A) 21^o(B) 31^o(C) 41^o(D) 51^o(E) 61^o

9. The mean diameter of the Earth is 12.76 x 10³ km. What is the surface area of the Earth in m²?

(A) 4.01 x 10⁷(B) 5.12 x 10¹⁴(C) 1.09 x 10²¹(D) 1.68 x 10⁹(E) 2.05 x 10¹⁵

10. A 2.0 m long organ pipe which is open at both ends resonates at its fundamental frequency. Neglecting any end effects, what wavelength is formed by this pipe in this mode of vibration?

(A) 1 meter(B) 2 meters(C) 4 meters(D) 6 meters(E) 8 meters

All Division 2 students START HERE. Numbers #1 – #10 on your answer sheet should be blank. Your first answer should be for #11.
*** Treat g = 10 m/s² for ALL questions #1 – #50.

11. In a classroom demonstration, a teacher discussing the air in the room as an ideal gas slides a solid barrier of negligible thickness into place, cutting the room into two equal-sized volumes. What is the air pressure for the portion of the room in which the teacher is standing, assuming the original pressure in the whole room was P? Treat the room as a sealed container.

(A) (1/4)P(B) (1/2)P(C) P(D) 2P(E) 4P

12. What is the equivalent resistance in the circuit that is shown at right?

(A) 55 Ω(B) 80 Ω(C) 50 Ω(D) 45 Ω(E) 75 Ω

13. An x-ray photon collides with a free electron, and the photon is scattered. During the collision:

(A) there is conservation of momentum but not energy
(B) there is conservation of neither momentum nor energy
(C) there is conservation of energy but not momentum
(D) there is conservation of both momentum and energy
(E) impossible to predict if momentum and energy are conserved without additional information

14. Three identical wood blocks are raced across three different flat surfaces, with the faces of the blocks on the surfaces. Each block is pulled horizontally with the same force F from one edge by a light string attached to the block.

Block 1 is pulled on a frictionless surface.
Block 2 is pulled on a surface with a nonzero kinetic friction coefficient, and a zero static friction coefficient.
Block 3 is pulled on a surface with a nonzero static friction coefficient, and the same kinetic coefficient as for Block 2, where µ_k < µ_s.

If each block starts from rest and is pulled until traveling the same fixed horizontal distance, which of the following choices correctly ranks the times (t₁, t₂, t₃) it takes for each block to traverse the distance?

15. A sample of ideal gas is in a container at a temperature of 100 ^oC and a pressure of 2.5 atm. If the volume of the container is 0.025 m³, approximately how many molecules of gas are in the container?

(A) 4.58 x 10²⁴(B) 1.23 x 10²⁴(C) 6.25 x 10²³(D) 4.53 x 10²²(E) 1.21 x 10²²

16. Determining the area under an object’s acceleration vs. time graph for a fixed time interval will calculate

(A) the object’s average velocity during the time interval
(B) the object’s velocity at the end of the time interval
(C) the object’s average speed during the time interval
(D) the object’s change in velocity during the time interval
(E) the object’s velocity at the time midway through the time interval

17. A thick-walled metal pipe of length 20.0 cm has an inside diameter of 2.00 cm and an outside diameter of 2.40 cm. What is the total surface area of the pipe, including the inside, outside, and ends, in cm²?

(A) 276(B) 277(C) 278(D) 279(E) 282

18. The circuit shown contains a battery with an internal resistance, r, connected to a variable resistor. When the resistance of the variable resistor is increased, which of the following statements is true?

(A) The terminal voltage increases.
(B) The current through the variable resistor in the circuit increases.
(C) The power dissipated by the internal resistance increases.
(D) The potential difference across the variable resistor decreases.
(E) None of the above statements are true.

19. Which of the following could produce an enlarged but inverted image of a real object?

(A) A converging lens placed at a distance greater than its focal length from the object.
(B) A converging lens placed at a distance less than its focal length from the object.
(C) A diverging lens placed at a distance less than the magnitude of its focal length from the object.
(D) A diverging lens placed at a distance greater than the magnitude of its focal length from the object.
(E) It is not possible to create the type of image desired.

20. A frictionless, solid disk pulley has a mass of 7.07 kg, a radius of 66.0 cm, and is free to rotate vertically about an axle. A rope is wrapped around the disk, a 1.53 kg mass is attached to the end of the rope, and the mass is allowed to fall vertically. What is the angular acceleration of the pulley?

(A) 4.58 rad/s²(B) 7.98 rad/s²(C) 9.87 rad/s²(D) 2.25 rad/s²(E) zero

The next two questions share the same information Base your answers to questions 21 and 22 on the information and diagram below.

A small object is released from rest and reaches the ground in a time of 2.50 s. Neglect air resistance.

21. With what speed does the object reach the ground?

(A) 31.3 m/s(B) 25.0 m/s(C) 12.5 m/s(D) 10.0 m/s(E) 2.50 m/s

22. From what height above the ground was the object released?

(A) 6.25 m(B) 12.5 m(C) 25.0 m(D) 31.3 m(E) 62.5 m

23. Induced electric currents due to changing magnetic flux can be explained using which one of the following laws?

(A) Gauss’s Law(B) Faraday’s Law(C) Ohm’s Law(D) Ampere’s Law(E) Volta’s Law

24. A small ball is thrown at an angle of 30.0^o above the horizontal ground with a speed of 20.0 m/s. What is the maximum height above the launch point to which the ball rises? Ignore air resistance.

(A) 2.5 m(B) 5.0 m(C) 10.0 m(D) 15.0 m(E) 20.0 m

25. In a circuit, the flow of electrons in a horizontal wire produces a constant current of 3.20 A for a time of 3.0 hours. Which of the following choices best represents the number of electrons that pass through a vertical cross-section of wire during this time?

(A) 9.6(B) 6.00 x 10¹⁹(C) 7.20 x 10²²(D) 2.16 x 10²³(E) 6.02 x 10²³

Related Documents

WS - Drill: Mechanics

WS - Drill: Waves and Sound

TB - Schaum's 11th Edition

REV - Course Objectives

REV - Cumulative Review

REV - Drill: Circular Motion

REV - Drill: Common Variables

REV - Drill: DC Circuits

REV - Drill: Dynamics

REV - Drill: Electrostatics

REV - Drill: Kinematics

REV - Drill: Magnetism

REV - Drill: Metric System

REV - Drill: Modern

REV - Drill: Physical Optics

REV - Drill: Projectiles

REV - Drill: Refraction and Lenses

REV - Drill: Rotary Motion

REV - Drill: SHM

REV - Drill: Thermodynamics

REV - Drill: Work and Energy

REV - Pre-registration Survey

REV - Sample NY Regents Review Questions

AAPT - 1994 Physics Olympiad Screening Test (Part 1)

AAPT - 1994 Physics Olympiad Screening Test (Part 2)

AAPT - 1994 Physics Quiz Bowl (1-20)

AAPT - 1994 Physics Quiz Bowl (21-40)

AAPT - 1995 Physics Olympiad Screening Test (Part 1)

AAPT - 1995 Physics Olympiad Screening Test (Part 2)

AAPT - 1995 Physics Quiz Bowl (1-20)

AAPT - 1995 Physics Quiz Bowl (Part 2)

AAPT - 1996 Physics Olympiad Screening Test (Part 1)

AAPT - 1996 Physics Olympiad Screening Test (Part 2)

AAPT - 1996 Physics Quiz Bowl (Part 1)

AAPT - 1996 Physics Quiz Bowl (Part 2)

AAPT - 1997 Physics Olympiad Screening Test (Part 1)

AAPT - 1997 Physics Olympiad Screening Test (Part 2)

AAPT - 1997 Physics Quiz Bowl (Part 1)

AAPT - 1997 Physics Quiz Bowl (Part 2)

AAPT - 1998 Physics Olympiad Screening Test (Part 1)

AAPT - 1998 Physics Olympiad Screening Test (Part 2)

AAPT - 1998 Physics Quiz Bowl (Part 1)

AAPT - 1998 Physics Quiz Bowl (Part 2)

AAPT - 1999 Physics Olympiad Screening Test (Part 1)

AAPT - 1999 Physics Olympiad Screening Test (Part 2)

AAPT - 1999 Physics Quiz Bowl (Part 1)

AAPT - 1999 Physics Quiz Bowl (Part 2)

AAPT - 2000 Physics Olympiad Screening Test (Part 2)

AAPT - 2000 Physics Olympiad Screening Test (Part 2)

AAPT - 2000 Physics Quiz Bowl (21-40)

AAPT - 2000 Physics Quiz Bowl (Part 1)

AAPT - 2006 Physics Quiz Bowl (Part 1)

AAPT - 2006 Physics Quiz Bowl (Part 2)

AAPT - 2007 Physics Quiz Bowl (Part 1)

AAPT - 2007 Physics Quiz Bowl (Part 2)

AAPT - 2008 Physics Quiz Bowl (Part 2)

AAPT - 2008 PhysicsBowl (Part 1)

AAPT - 2015 net F = ma Contest

AAPT - PhysicsBowl 2009 (Part 1)

AAPT - PhysicsBowl 2009 (Part 2)

AAPT - PhysicsBowl 2010 (Part 1)

AAPT - PhysicsBowl 2010 (Part 2)

AAPT - PhysicsBowl 2011 (Part 1)

AAPT - PhysicsBowl 2011 (Part 2)

AAPT - PhysicsBowl 2012 (Part 1)

AAPT - PhysicsBowl 2012 (Part 2)

AAPT - PhysicsBowl 2013 (Part 1)

AAPT - PhysicsBowl 2013 (Part 2)

AAPT - PhysicsBowl 2014 (Part 1)

AAPT - PhysicsBowl 2014 (Part 2)

AAPT - PhysicsBowl 2015 (Part 1)

AAPT - PhysicsBowl 2015 (Part 2)

AAPT - PhysicsBowl 2016 (Part 1)

AAPT - PhysicsBowl 2016 (Part 2)

AAPT - PhysicsBowl 2017 (Part 1)

AAPT - PhysicsBowl 2017 (Part 2)

AAPT - PhysicsBowl 2018 (Part 2)

AAPT - PhysicsBowl 2019 (Part 1)

AAPT - PhysicsBowl 2019 (Part 2)

NY - January 2006, Part 1

NY - January 2006, Part 2

NY - January 2006, Part 3

NY - January 2007, Part 1

NY - January 2007, Part 2

NY - January 2007, Part 3

NY - January 2008, Part 1

NY - January 2008, Part 2

NY - January 2008, Part 3

NY - January 2008, Part 4

NY - January 2009, Part 1

NY - January 2009, Part 2

NY - June 2006, Part 1

NY - June 2006, Part 2

NY - June 2006, Part 3

NY - June 2007, Part 1

NY - June 2007, Part 2

NY - June 2007, Part 3

NY - June 2008, Part 1

NY - June 2008, Part 2

NY - June 2008, Part 3

NY - June 2008, Part 4

NY - June 2009, Part 1

NY - June 2009, Part 2

NY - June 2010, Part 1

NY - June 2010, Part 2

NY - June 2010, Part 3

NY - June 2011, Part 1

NY - June 2011, Part 2

NY - June 2011, Part 3

NY - June 2012, Part 1

NY - June 2012, Part 2

NY - June 2012, Part 3

NY - June 2013, Part 1

NY - June 2013, Part 2

NY - June 2013, Part 3

NY - June 2014, Part 1

NY - June 2014, Part 2

NY - June 2014, Part 3

NY - June 2015, Part 1

NY - June 2015, Part 2

NY - June 2015, Part 3

NY - June 2016, Part 1

NY - June 2016, Part 2

NY - June 2016, Part 3

NY - June 2017, Part 1

NY - June 2017, Part 2

NY - June 2017, Part 3

NY - June 2018, Part 1

NY - June 2018, Part 2

NY - June 2018, Part 3

NY - June 2019, Part 1

NY - June 2019, Part 2

NY - June 2019, Part 3

- MCAS 2004 Session 1

- MCAS 2004 Session 2

- MCAS 2005 Session 1

- MCAS 2005 Session 2

- MCAS 2006 Session 1

- MCAS 2006 Session 2

- MCAS 2007 Session 1

- MCAS 2007 Session 2

- MCAS 2008 Session 1

- MCAS 2008 Session 2

- MCAS 2009 Session 1

- MCAS 2009 Session 2

- MCAS 2010 Session 1

- MCAS 2010 Session 2

- MCAS 2011 Session 1

- MCAS 2011 Session 2

- MCAS 2012 Session 1

- MCAS 2012 Session 2

- MCAS 2013 Session 1

- MCAS 2013 Session 2

- MCAS 2014 Session 1

- MCAS 2014 Session 2

- MCAS 2015 Session 1

- MCAS 2015 Session 2

- MCAS 2016 Session 1

- MCAS 2016 Session 2

- MCAS 2017 Session 1

- MCAS 2017 Session 2

- MCAS 2018 Session 1

- MCAS 2018 Session 2

- MCAS 2019 Session 1

- MCAS 2019 Session 2

PSRC at AAPT
Copyright © 1994-2000
PhysicsBowl Exams
Copyright © 2007-2024
All rights reserved.
Used with written permission.

PhysicsLAB
PDF conversion
Copyright © 1998-2024
Catharine H. Colwell
All rights reserved
Mainland High School
Daytona Beach, FL 32114