3-1.1

length

l

m

L

3-1.2

width

b

m

L

3-1.3

height

h

m

L

3-1.4

thickness

d

m

L

3-1.5

diameter

d

m

L

3-1.6

radius

r

m

L

3-1.7

path length

s

m

L

3-1.8

distance

d

m

L

3-1.9

radial distance

r_Q

m

L

3-1.10

position vector

r

m

L

3-1.11

displacement

Δr

m

L

3-1.12

radius of curvature

ρ

m

L

3-2

curvature

κ

m⁻¹

L⁻¹

3-3

area

A

m²

L²

3-4

volume

V

m³

L³

3-5

plane angle

α

rad

1

3-6

rotational displacement

φ

rad

1

3-7

phase angle

φ

rad

1

3-8

solid angle

Ω

sr

1

3-9

duration

t

s

T

3-10.1

velocity

v

m/s

L·T⁻¹

3-10.2

speed

v

m/s

L·T⁻¹

3-11

acceleration

a

m/s²

L·T⁻²

3-12

angular velocity

ω

rad/s

T⁻¹

3-13

angular acceleration

α

rad/s²

T⁻²

3-14

period duration

T

s

T

3-15

time constant

τ

s

T

3-16

rotation

N

1

1

3-17.1

frequency

f

Hz

T⁻¹

3-17.2

rotational frequency

n

s⁻¹

T⁻¹

3-18

angular frequency

ω

rad/s

T⁻¹

3-19

wavelength

λ

m

L

3-20

repetency

σ

m⁻¹

L⁻¹

3-21

wave vector

k

m⁻¹

L⁻¹

3-22

angular repetency

k

m⁻¹

L⁻¹

3-23.1

phase velocity

c

m/s

L·T⁻¹

3-23.2

group velocity

c_g

m/s

L·T⁻¹

3-24

damping coefficient

δ

s⁻¹

T⁻¹

3-25

logarithmic decrement

Λ

1

1

3-26.1

attenuation

α

m⁻¹

L⁻¹

3-26.2

phase coefficient

β

rad/m

L⁻¹

3-26.3

propagation coefficient

γ

m⁻¹

L⁻¹