Download IPC Final Exam Study Sheet

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Period __________
IPC Final Exam Physics Study Guide 2014 10 points
Measurements and Scientific Method --------------------------------1. control variable
2. experimental variable
3. speed
4. Scientific method – Define and list the 6 steps.
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5. procedure
6. trial
7. dependent variable
8. independent variable
9. Which axis are the dependent and independent variables on in a graph?
10. What are the units we use for distance in the English and Metric System?
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11. What are the 3 types of graphs?
12. What do these 3 graphs tell us?
13. What do these graphs tell you? Explain each graph or labeled part.
Speed, Velocity, Acceleration and Newton’s Law
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14. What is acceleration due to gravity?
15. What is the difference between weight and mass? (What if you were on the
moon? – which changes)
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16. constant speed
17. average speed
18. instantaneous speed
19. velocity
20. acceleration
21. momentum
22. inertia
23. friction
24. force
25. net force
26. How do you find net force? What can affect net force?
27. mass
28. weight
29. What are Newton’s 3 laws and give an example of each.
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30. How do you find mass if you are given weight and weight if you are given
mass?
31. What are the units for mass?
32. What are the units for weight?
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Energy --------------------------------------------------------33. potential energy
34. kinetic energy
35. Give four examples of both PE and KE.
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36. What are the two formulas for Potential Energy?
Define the energies and give examples of each.
37. electrical energy
38. radiant energy
39. chemical energy
40. nuclear energy
41. thermal energy
42. mechanical energy
43. temperature
44. conductor
45. insulator
46. List three good conductors and
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three insulators.
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47. How does heat flow?
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48. What makes a material be a good conductor? (hint: atoms)
Define and tell what it travels through.
49. conduction
50. convection
51. radiation
52. insulation
53. absorber
54. emitter
55. energy transformation
Electricity -----------------------------------------------------56. closed circuit
57. open circuit
58. short circuit
59. current
60. AC current
61. DC current
62. parallel circuit
63. series circuit
64. gauge wire
65. electroscope
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66. electrical conductor – define and give an example
67. electrical insulator – define and give an example
68. What is the voltage for everyday batteries?
69. Explain how the electroscope works.
70. Ohm’s Law71. Be able to read electric circuit diagrams.
72. What is the unit for current?
73. What is the unit for resistance?
74. What is the unit for voltage?
75. What is the unit for electrical power?
76. What is the unit for electrical energy?
77. What are the symbols for
battery
wire
motor
open switch
closed switch
light
resistor
Magnetism ---------------------------------------------------78. magnetic fields
79. magnetic poles
80. magnetic domains
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81. permanent magnets
82. temporary magnets
83. generator
84. electric motor
85. electromagnet
86. electromagnetic induction
87. Where’s the magnetic North pole?
88. Where’s the magnetic South Pole?
89. What do the domains have to do to make a magnet work?
90. What are 3 ways to increase the strength of an electromagnet?
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91. How can you tell what end is North or South on your electromagnet.
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IPC FINAL REVIEW SHEET PROBLEMS FORMULAS ON LAST PAGE.
(WORK THE PROBLEMS OUT AND MUST SHOW HOW YOU SET UP THE
PROBLEM TO GET THE EXTRA CREDIT FOR THE EXAM.)
1.
What is the speed of a marble that travels 30 meters in 9 seconds?
2.
A swimmer goes from 3 m/s to 5 m/s in the last 3 sec of a race. What is the
swimmer’s acceleration?
3.
A calculator has a 0.01-A current flowing through it. It operates with a potential
difference of 9 V. How much power does it use?
4.
What is the acceleration of a car that goes from 35 mi/hr to 50 mi/hr in 3.5 s?
5.
What is the mass of a 500 N rock?
6.
What are the energy transformations for the stove to boil water in the kettle and
make the teapot whistle?
7. A toy car is traveling 12 m/s and has a mass of 50 kg. How much kinetic energy
does the car have?
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8. How much voltage would be necessary to generate 10 amps of current in a circuit
that has 5 ohms of resistance?
9. A 100 W (0.1kW) light bulb is left on for 5.5 hours. How many kilowatt-hours of
energy are used?
10. What is the acceleration of a 0.47 Kg ball that is hit with a force of 50 N?
11. How much force is needed to accelerate a truck with a mass of 3,500 Kg at a rate of
30 m/s2?
12. How far has a marble traveled in 15 s if its speed is 30 m/min? (Watch your units!)
13. How long will it take for a car to travel 5 miles if its speed is 55 mi/hr?
14. A plastic car is sliding down a ramp; a 10 N force of gravity is pulling the car down
the ramp while a 4 N force of friction acts to stop the car. What is the net force
accelerating on the car down the ramp?
15. A lamp operates with a current of 0.625A and potential difference of 120 V. How
much power does the lamp use?
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16. Kim is getting ready to lift a box with a mass of 10 kg up 5 meters. How much
potential energy can Kim put into the box?
17. How many amps of current flow through a circuit that includes a 9-volt battery and
a bulb with a resistance of 6 ohms?
18. What is the potential energy of a 5N rock sitting on a cliff 20 meters high?
19. What is the momentum of a 1.5 Kg ball moving at 15 m/s?
20.
Label parallel or series. Know this.
21. A satellite’s original velocity is 15,350 m/s. After 90 seconds, it is 5000 m/s.
What is the satellite’s acceleration?
22. What is the weight of a 2,000 Kg object?
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23. What is the mass of an object that requires a force of 30 N to accelerate it at a
rate of 5 m/s/s?
24. How many ohms of resistance must be present in a circuit that has 120 volts and a
current flow equal to 10 amps?
25. How much force is needed to accelerate a 50 kg rider and his 100 kg motorcycle
at
5 m/sec2?
26. A car’s velocity changes from 30 m/s to 90 m/s in 15 seconds. What is the car’s
acceleration?
27. A microwave oven uses 1000 W of power. The voltage source is 120 V. What is the
current flowing through the microwave?
28. A toy truck weighing 72 kg that’s moving 8 m/s has how much kinetic energy?
29. A bike weighing 45 N is parked on the ramp of 4m has how much potential energy?
30. A ball whose mass is 7.0 kg travels 20.0 m in 13.0 s. What is its momentum?
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Formulas for IPC Physics
d
t
Speed= distance / time
v =
Acceleration= change in speed / time
Force=mass (acceleration)
a = Vf –Vi
t
F = ma
Momentum=mass (velocity)
P = mv
Law of conservation of momentum
m1 v1 = m2 v2
Kinetic Energy = ½ mass (velocity)2
Potential Energy = mass (gravity) height
KE = mv2
2
PE = mgh
Current = voltage / resistance
I = V / R
Power = current x voltage
P = IV
Electrical Energy = P x T
E = PT
or PE = wh
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