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Explanations and examples on various physical properties such as density, velocity, temperature, and heat. It covers the concepts of derived units, extensive and intensive properties, and their conversions. The document also includes examples on calculating density using mass and volume, converting units of density, and finding the mass of a wire given its diameter and density.
What you will learn
Typology: Lecture notes
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1 mL = 1 cm
3
= (1 cm)
(1 cm)
(1 cm) =
m)
m)
m) = (
) m
3
m
3
1 L = 1 dm
3
m
3
1 mL= 10
3
3
3
3
Example:
3
3
3
3
3
3
3
3
3
3
3
3
6
3
3
3
10
3
19
10
1
10
g
1
3
19
kg m
.
m cm
g k
cm
g
.
d
×
=
×
×
=
−
Example:
What is the mass in
kg
of a
15
ft
wire made of
an alloy with
d
= 6.0 g/cm
3
if the diameter of the
wire is
in
?
Plan: Diameter
→
radius (cm)
→
cross-section area (cm
2
)
Length (cm)
×
cross-section area
→
volume (cm
3
)
Volume & density
→
mass (g)
→
mass (kg)
ft
in
ft
in
kg
.
g kg
cm
g .
cm .
m
cm .
cm
cm
l
cm
in
cm
.
in ft
ft
l
cm
cm
r
cm
in
cm
.
in
.
r
in
.
in
.
r
Radius
3
3
3
2
2
2
2