Home
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X Y Z
Search
Acoustic Glossary
Sound and Vibration Terms and Parameters
J
Jerk
: a vector quantity that specifies time rate of change of
acceleration
- units m/s
3
Joule : J : kg·m
2
·s
-2
: the derived
SI
derived unit of work or
energy
.
Equal to the work done by a
force
of 1
newton
acting through a distance of one meter.
1 J = 1 N·m = 1 kg·m
2
·s
-2
= 1 W·s = 10
7
ergs
joule per cubic metre : J/m
3
:
energy density
.
joule per kilogram : J/kg
:
specific energy
.
Other Glossary Terms
Home
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X Y Z
Search
This site is maintained by
Gracey & Associates
01933 624212
BSI accreditation for sound and vibration instrument hire and calibration
Instrument Hire
|
Calibration
|
Standards
|
Link to Us
| E-mail -
hire@gracey.com