If each frame of a motion picture film is 35 cm high, and 24 frames go by in a second, estimate how many frames are needed to show a two hour long movie.
a. 1400
b. 25000
c. 50000
d. 170000
e. This cannot be determined without knowing how many reels were used.
[Ques. 2] If
= 9.0 V, what is the current in the 15- resistor?
a.
0.20 A
b.
0.30 A
c.
0.10 A
d.
0.26 A
[Ques. 3] A standard exam page is 8.5 inches by 11 inches. An exam that is 2.0 mm thick has a volume of
a. 1.9 104 mm3.
b. 4.7 104 mm3.
c. 1.2 105 mm3.
d. 3.1 105 mm3.
e. 3.1 103 mm3.
[Ques. 4] The standard exam page is 8.50 inches by 11.0 inches. Its area in cm2 is
a. 19.5
b. 36.8
c. 93.5
d. 237.
e. 603.
[Ques. 5] If = 24 V, at what rate is thermal energy generated in the 20- resistor?
a.
13 W
b.
3.2 W
c.
23 W
d.
39 W
[Ques. 6] John and Linda are arguing about the definition of density. John says the density of an object is proportional to its mass. Linda says the object's mass is proportional to its density and to its volume. Which one, if either, is correct?
a. They are both wrong.
b. John is correct, but Linda is wrong.
c. John is wrong, but Linda is correct.
d. They are both correct.
e. They are free to redefine density as they wish.
[Ques. 7] How much power is being dissipated by one of the 10- resistors?
a.
24 W
b.
9.6 W
c.
16 W
d.
6.4 W
[Ques. 8] At the end of a year, a motor car company announces that sales of a pickup are down 43 for the year. If sales continue to decrease by 43 in each succeeding year, how long will it take for sales to decrease to zero?
a. 1 year
b. 2 years
c. 3 years
d. 4 years
e. More than four years
[Ques. 9] If you drove day and night without stopping for one year without exceeding the legal highway speed limit in the United States, the maximum number of miles you could drive would be closest to:
a. 8700.
b. 300000.
c. 500000.
d. 1000000.
e. 32000000.
[Ques. 10] How much current is flowing in one of the 10- resistors?
a.
0.80 A
b.
2.0 A
c.
1.6 A
d.
2.4 A
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