Physics 011
HW#:1
Chapter 1: Introduction
Practice
Questions
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A kilogram is |
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10-3
grams. |
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103
grams. |
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106
grams. |
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10
grams. |
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A centimeter is |
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100
meters. |
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10
meters. |
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.1
meters. |
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.01
meters. |
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A megawatt is |
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106
watts. |
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103
watts. |
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10-3
watts. |
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10-6
watts. |
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A nanosecond is |
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10-3
seconds. |
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10-6
seconds. |
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10-9
seconds. |
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10-12
seconds. |
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A kilometer is |
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greater
than a mile. |
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less
than a mile. |
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about
the size of a football field. |
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less
than a football field. |
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All of the following are base units of the SI system except: |
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kilogram. |
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kelvin. |
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meter. |
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pound |
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The SI prefix for 10-12 is |
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tera- |
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giga- |
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nano- |
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pico- |
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Given (1 angstrom unit = 10-10 m) and (1 fermi = 10-15 m), what is the relationship between these units? |
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1
angstrom = 105 fermi |
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1
angstrom = 10-5 fermi |
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1
angstrom = 10-25 fermi |
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1
angstrom = 10+25 fermi |
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Convert 0.75 kilometers to meters. |
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7500
m |
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750
m |
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75
m |
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7.5
m |
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Convert 0.0215 m to mm. |
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0.215
mm |
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2.15
mm |
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21.5
mm |
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215
mm |
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Add 321.475, 42.500, and 2.25, and round properly. |
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366 |
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366.22 |
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366.23 |
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366.225 |
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Multiply 12.75 times 4.375 and round properly. |
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55.78125 |
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55.78 |
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55.8 |
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56.0 |
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How many common house flies can fit one layer deep on a 3 inch by 5 inch card (to 1 significant figure)? |
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50 |
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200 |
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1000 |
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5000 |
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What is the mass of a common house fly? |
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1
ounce |
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10
grams |
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1
gram |
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.01
grams |
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What is the speed, to one significant figure, of a common house fly in ordinary flight? |
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1
cm/sec |
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10
cm/sec |
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100
cm/sec |
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100
meters/sec |
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The number 9452 in scientific notation is |
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9.452x102 |
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94.52x102 |
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.9452x104 |
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9.452x103 |
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The number .0000475 in scientific notation is |
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4.75x10-6 |
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4.75x10-5 |
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4.75x10-4 |
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4.75x10-3 |
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What does 1.23 + 2.50x10-3 equal? |
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1.23 |
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1.2324 |
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1.232 |
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1.233 |
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The volume of a sphere of radius R is |
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The surface area of a sphere of radius R is |
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The area of a circle of radius R is |
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The circumference of a circle of radius R is |
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The diagonal of a square 2.0 meters on a side is |
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2.0
m. |
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2.8
m. |
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2.82
m |
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8
m. |
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The area of a right triangle of base, "b", and height, "h", is |
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b*h |
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b*h/2 |
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2*b*h |
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sqrt(b2+h2) |
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A 10 L container has a volume expressed in m3 of |
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.1
m3 |
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.01
m3 |
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.001
m3 |
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.0001
m3 |
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