physics Flashcards
(35 cards)
1
Q
potential energy
A
mgh (mass gravity height)
2
Q
gravity
A
10
3
Q
kinetic energy
A
1/2mv2
4
Q
efficiancy
A
usefull/total output*100
5
Q
preasure
A
force/area
6
Q
power
A
work/time
7
Q
P1V1=
A
P2V2
8
Q
P1/T1 =
A
P2/T2
9
Q
P1V1/T1 =
A
P2V2/T2
10
Q
speed
A
distance/time
11
Q
acceleration
A
change in velocity/time
12
Q
work (j)
A
force * distance
13
Q
energy
A
current * voltage * time
14
Q
density or rho formula
A
mass / volume
15
Q
current equation
A
colomb /time
16
Q
volt clolomb equation
A
energy/colomb
17
Q
volt equation
A
current * resitance ixr
18
Q
equation for energy
A
currentvoltagetime
19
Q
two dangers of electricity
A
fire and shock
20
Q
wave speed formula
A
frequency × wavelength.
21
Q
wave length symbole
A
λ
22
Q
weight formula
A
mass * gravity
23
Q
frequency formula
A
1/t
24
Q
moment clockwise =
A
moment anti clockwise
25
how to find distance in velosity time graph
area under graph
26
orbital speed formmula
2*pie*orbital radius/time period
27
moment
force *perpendicular distnace N/m
28
momentum (curlyt)
mass*velocity
29
force
mass*acceleration
30
change in momentum
force*time
31
preasure under water
pgh
32
temp is proportional to
KE
33
lever is also known as
force multiplier
34
power electricity
work done/ t
35
constant
pressure/temp
