Scientific Notation, Metric System, & Unit Conversion Review Worksheet Page 6
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2
3
4
5
68. a. 1.0000 m/s = 2.2369 mi/h, or 1.0000 mi/h = 0.44704 m/s
3
b. 1.5 Tb = 1500 Gb or 1.5 × 10
Gb
6
1.5 Tb = 1,500,000 Mb or 1.5 × 10
Mb
9
1.5 Tb = 1.5 × 10
kb
12
1.5 Tb = 1.5 × 10
b
–2
45 µg = 0.045 mg or 4.5 × 10
mg
4
45 µg = 45,000 ng or 4.5 × 10
ng
–8
45 µg = 4.5 × 10
kg
–10
550 nm = 5.5 × 10
km
6328 Å = 632.8 nm
–2
15 ps = 0.015 ns or 1.5 × 10
ns
–5
15 ps = 1.5 × 10
µs
–8
15 ps = 1.5 × 10
ms
17
14 Gy = 4.4 × 10
s
2
2
6
2
1 km
= 1,000,000 m
or 10
m
2
2
4
2
1 m
= 10,000 cm
or 10
cm
2
12
2
1 km
= 10
mm
3
3
6
3
1 m
= 1,000,000 cm
or 10
cm
3
3
9
3
1 m
= 1,000,000,000 mm
or 10
mm
3
200 cm
= 200 mL
3
12
1 km
= 1,000,000,000,000 L or 10
L
1.000 atm = 1013 mbar
100. km/h = 27.8 m/s
5
1 kg·m/s = 100,000 g·cm/s or 10
g·cm/s
2
2
2
2
7
2
2
9.80 kg·m
/s
= 98,000,000 g·cm
/s
or 9.80 × 10
g·cm
/s
2
–5
2
330 g·cm
= 3.3 × 10
kg·m
9. a. Yes. One could devise an experiment to test the relative speed of light in various media.
b. No. This is a subjective statement.
c. Yes. This is a statement that can be tested and, if contradicted by measurements, falsified.
d. No, unless there is some way that the hypotons’ existence can be detected.
e. No. This is a subjective statement.
f. Yes. A survey can be performed to support or disprove the statement (to within a desired level of certainty).
g. No. There is no possible test that could be performed that might disprove the statement.
10. a. If the Earth is spherical, then ships should disappear over the horizon bottom-first and mast-last. Aristotle
also deduced that the Earth must be spherical since lunar eclipses always show the shadow of the Earth as a circle,
no matter the direction in which the eclipse happens.
b. If the Earth were not spinning, we would need a new explanation for the Coriolis effect and Foucault’s pendulum.
c. If the Earth were not orbiting the Sun, we would need a new explanation for the annual cycle of parallax motion
of the nearest stars.
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