Equations For exam Flashcards
1
Q
Acceleration
A
Change in V/Change in T or
v-u
t
or
v2 x u2 =2 x a x X
2
Q
F=
A
MA
3
Q
Kinetic energy
A
1/2 x mass x velocity²
4
Q
GPE
A
Change in height x GFS x Mass
5
Q
How much can a human hear
A
20hz — 20,000hz
6
Q
Ultrasound
A
> 20,000hz
7
Q
Infra sound
A
<20hz
8
Q
Frequency equation
A
velocity/wave length or number of waves/time
9
Q
what is the equation for wave speed
A
wave length x frequency
10
Q
Speed
A
d/t
11
Q
momentum (p) =
A
mass (kg) x velocity (m/s)
12
Q
Work
A
Force x distance
13
Q
Power =
A
Voltage x current
