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IPC mid-term study Test

Enter the letter for the matching Answer
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1.
63. Every charged particle produces
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2.
48. A medicine ball has a mass of 5 kg and is thrown with the speed of 2 m/s. What is its kinetic energy?
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64. Electric force varies depending on the
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27. The greatest gravitational force would occur between what kind of objects?
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47. The color of light is determined by ___of the light waves.
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7. A sonar system measures distance by determining the
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7.
90. The strength of the magnetic field
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8.
57. What is the approximate terminal velocity of a sky diver before the parachute opens?
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87. What are the examples of a wheel and axle?
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44. There is a potential difference of 12 V across a resistor with 0.25 A of a current in it. The resistance of the resistor is
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11.
100. A care traveled 1400 km from El Paso to Dallas in 20 hours. What is the average velocity?
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12.
58. Sound travels fastest in
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88. Convection currents rise in air because
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14.
84. Acceleration is defined as the change in velocity divided by
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15.
49. A pendulum is swinging back and forth and has a kinetic energy of 400 J at a particular point in its path. Which of the following statements is not true?
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42. The brakes on a car exert a frictional force of 6000 N in getting the car to stop. If the work done by the brakes is 120,000 J in coming to a stop, how many meters did the car travel after the driver applied the brakes?
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97. If you divide momentum by velocity, the result is the value of the object’s
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93. The law that states that the unbalanced force acting on an object equals the object’s mass times its acceleration is
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19.
53. Friction is defined as
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20. Energy from the sun reaches Earth by
A.
100. 70 ???
B.
20. Radiation
C.
42. 20 M
D.
7. Reflected sound waves
E.
87. Screwdriver
F.
44. 48 Ω
G.
64. Charge and distance between charged objects
H.
88. Cool air descends and hot air rises
I.
27. Moon and Earth
J.
93. Newton’s 2nd law
K.
97. Mass
L.
90. Decreases as distance from magnet increases
M.
63. Electric field
N.
84. Time
O.
48. 10 J
P.
49. KE and PE are decreasing
Q.
57. 320 Km/h
R.
53. -force that opposes motion between 2 surfaces
S.
58. Solid
T.
47. Frequency
Type the Answer that corresponds to the displayed Question.
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21.
34. All waves transfer _____.
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25. What is the gravitational potential energy of a 55 Kg box that is 8.0 Meters above the ground?
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22. The efficiency of a ramp is 75%. If the amount of work input is 240 J, what is the amount of work output?
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24.
9. A tug-of-war that results in one team pulling the other across the line is an example of
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25.
36. Potential difference is measured in
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26.
85. A weightlifter presses a 400 N weight 0.5 over his head in 2 seconds. What is the power of the weightlifter?
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27.
17. A train of waves is moving at a speed of 30 m/s. The frequency of the waves is 10 Hz. What is the wavelength?
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28.
96. A color television draws about 2.5 A when it is connected to a 120 V outlet. Assuming electrical energy costs $0.060 per kW٠h, what is the cost of running the television for exactly 8 hours?
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37. What is 175˚ F on the Celsius scale?
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77. What is the mechanical advantage of a ramp that is 10 meters long and 2 meters high?

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