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HONORS PHYSICS FINAL BREAKDOWN 2010
TOPIC
# OF QUESTIONS
CH. IN TEXT
Circular Motion / Gravity
19
5
SHM/Waves
20
11 & 12-5
E-statics/Fields
13
16
Capacitors / Resistance / Circuits
16
17, 18, 19
Magnetism
15
20
Optics
17
23
100 Q’s
8 Chapters
TOTALS
EXAM DATE:
TIME:
ROOM
PROCTOR
_____________
______________
______________
______________
BRING A CALCULATOR AND PENCILS!!!!!!!!
P.F. 2K10
PROBLEM SHEET
Disclaimer:
This material represents a general approximation of the types of problems that were engaged in
during the second half of the year. That is, this should not be your only vehicle of review. THE
FINAL IS NOT, I REPEAT, NOT LIMITED TO THE MATERIAL CONTAINED ON THESE
PAGES. ITALIC PROBLEMS ARE FOR HONORS ONLY!
Chapter 5 Circular Motion / Gravity.
1. A 5.00 kg object completes 10.0 revolutions in 3.0 seconds with a radius of 30.0 cm.
A. What is the velocity of the object? [6.28 m/s]
B. What is the centripetal acceleration of the object? [131 m/s2]
C. What is the centripetal force on the object? [657 N]
2. What is the acceleration due to gravity on the surface of Venus (mV = 4.87x1024 kg, RV = 6.05x103 km)?
[8.87 m/s2]
3. A satellite with a mass of 300. kg is in a circular orbit 5.64x106 m from the Earth’s center.
A. What is the gravitational force on the satellite? [3761 N]
B. What is the velocity of the satellite? [8410 m/s]
C. What is the period of the satellite? [4214 s or 70.2 min, or 1.17 hr, or 0.0488 days, or 0.000134 yr]
4. How far above the Earth’s surface should a satellite be placed so it has a period of 21 hrs?[3.22x107 m]
5. A car is going around a curve with a radius of 45 m. The car is traveling at 17 m/s.
A. What does μ have to be so the car won’t slip? [0.65]
B. If the turn is to be banked, what should the angle be? [33.2º]
6. What must be the period of the ride pictured so that the person will not fall down is R = 3.6 m and µ =
0.75? [3.3 s]
Chapter 9 Simple Harmonic Motion.
7. A 6.95 kg mass on a spring (k = 98 N/m) completes 3 cycles in 5.0 s with an amplitude of 2.50 m?
A. What is their frequency and period? [0.60 Hz] [1.7 s]
B. How far from the equilibrium position will they be when their v = 0? [2.50 m]
C. How far from the equilibrium position will they be when their v = vMAX? [0.00 m]
D. What is their vMAX? aMAX? [9.42 m/s] [35.5 m/s2]
8. A spring stretches 8.75 cm from its equilibrium position when a mass of 0.250 kg is placed upon it.
A. What is its spring constant? [28 N/m]
B. How far will it stretch from the eq. position if an additional 0.10 kg is placed on it? [12.3 cm]
C. If the 0.350 kg is set in motion what will be the period? [0.70 s]
9. What is the frequency of a pendulum whose length is 0.750 m? [0.57 Hz]
10. On planet X a 15.0 m pendulum has a period of 2.56 seconds. What is the acceleration due to gravity on
planet X? [90.4 m/s2] Compare the planet to the Earth……
11. One end of a 0.0045 kg string that is 0.65 m long is connected to a 85 Hz vibrator. The other end of the
string is placed over a pulley and is attached to a hanging mass. 5 loops are observed in the string.
What is the mass on the end over the pulley? [0.35 kg]
Chapter 11 Waves, Sound
12. A standing wave has a frequency of 60.0 Hz and a wavelength of 50.0 cm.
A. What is the velocity of the waves? [30.0 m/s]
B. What is the distance between two nodes? [25.0 cm]
13. A rope vibrates with a frequency of 253 Hz and has a wavelength of 1.4 m.
a. What is the period of the wave? [0.00395 s]
b. What is the velocity of the wave? [354 m/s]
c. What is the linear density of the rope given that its tension is 4500. N. [0.0359 kg/m]
14. Sketch the patterns of and calculate the fundamental wavelength and the wavelengths of the 1st, 2nd,and
3rd harmonics for a string 4.0 m long.
15. A cable with a mass of 0.85 g and a length of 0.45 m is tuned to produce a fundamental frequency of
336 Hz. What must be the tension in the cable? [173 N]
16. What is the 2nd harmonic frequency of a 4.0 m string that has a mass of 0.075 kg and is under a tension
of 2.0x102 N? [25.8 Hz]
17. Calculate the lowest tone (fundamental frequency) for the following: v = 343 m/s (sound)
a. A tube with one end closed with a length of 4.0 m. [21.4 Hz]
b. A tube with one end closed with a length of 30. m. [2.86 Hz]
Chapter 16 Electrostatics/Fields.
18. A sphere with a charge of +150.0 µC is brought into contact with a neutral sphere. The spheres are then
separated by 2.25 m.
A. What will be the charge on both spheres after contact? [+75.0 µC]
B. What will be the magnitude of the force on each after separation? [10.0 N] Repulsion or Attraction?
19. Two equally charged objects experience an attractive force of 120. N when separated.
A. What will the force become if the distance between them is tripled? [13.3 N]
B. What will be the force if both charges are doubled? [480. N]
20. A +5.76 nC charge experiences a force of 2.50 N when placed in an electric field. What is the field
strength? [4.34x108 N/C….WOW!]
Chapter 17-7 Capacitors (HONORS ONLY).
21. For the following find:
A. The total capacitance. [0.24 μF]
B. The total charge stored. [2.90 x10-6 C]
C. The charge on each capacitor.
D. The voltage across each capacitor.
Chapters 18&19 Resistors and Circuits.
22. What is the total resistance of the following:
[4.84 Ω]
23. Solve for of the unknowns….
4Ω
I2
5Ω
I3
4Ω
8Ω
30 V
V1
6Ω
I1
[1.8 A, 1.24 A, 0.55 A, 14.3 V]
24. Solve for the unknowns….and the voltage across the 30 Ω, and the power dissipated by the 10 Ω
4Ω
5Ω
I2
30 Ω
24 V
50 V
10 V
I1
4Ω
10 Ω
I3
[0.703 A, 0.654 A, 1.36 A, 19.6 V, 18.5 W]
Optics and Magnetism. The material should be relatively “fresh”. Study all notes,
tests and quizzes.