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Last updated 10:47 AM on 5/30/23
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16 Terms
1
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**Speed**
s=d/t
speed (m/s) =distance (m) /time (s)
speed (m/s) =distance (m) /time (s)
2
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**Density**
d=m/v
density (kg/m2) =mass (kg) / volume (m2)
density (kg/m2) =mass (kg) / volume (m2)
3
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**Pressure**
p=f/v
pressure (Pa or N/m2) = force (N) / volume (m2)
pressure (Pa or N/m2) = force (N) / volume (m2)
4
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**Weight**
w=mg
weight (N) =mass (kg) \* gravitational field strength (N/kg)
weight (N) =mass (kg) \* gravitational field strength (N/kg)
5
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**Acceleration**
a=delta v/delta t
acceleration (m/s2) = change in velocity (m/s) / change in time (s)
acceleration (m/s2) = change in velocity (m/s) / change in time (s)
6
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**Acceleration of free fall**
g=w/m
accelaration of free fall = weight / mass
g is a constant always equals to approximately **9.8 m/s2**
accelaration of free fall = weight / mass
g is a constant always equals to approximately **9.8 m/s2**
7
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**Force**
f=ma
force (N) = mass (kg) \* acceleration (m/s2)
force (N) = mass (kg) \* acceleration (m/s2)
8
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**Acceleration**
a=f/m
acceleration (m/s2) = force (N) / mass (kg)
acceleration (m/s2) = force (N) / mass (kg)
9
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**Moment**
m=fd
m (J) = force (N) \* distance (m)
m (J) = force (N) \* distance (m)
10
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**Work done**
W=fd
Work done (J) = force (N) \* distance (m)
Work done (J) = change in energy or energy transferred
Work done (J) = force (N) \* distance (m)
Work done (J) = change in energy or energy transferred
11
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**Power**
P=W/t
power (W, watts) = work done (J) / time (s)
power (W, watts) = work done (J) / time (s)
12
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**Gravitational potential energy**
GPE=wh=mgh
GPE (J) = weight (N) \* height (m)
GPE (J) = weight (N) \* height (m)
13
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**Kinetic energy**
KE=1/2(mv^2)
KE (J) = 1/2 ( mass (kg) \* velocity (m/s) sq
KE (J) = 1/2 ( mass (kg) \* velocity (m/s) sq
14
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**Gas pressure**
p a T
Gass pressure is directly proportional to temperature
p a 1/v
Gass pressure is inversely proportional to volume
Gass pressure is directly proportional to temperature
p a 1/v
Gass pressure is inversely proportional to volume
15
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**Speed of waves**
v=fλ
v (m/s) = frequency (Hz) \* wavelength (λ)
v (m/s) = frequency (Hz) \* wavelength (λ)
16
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**Refractive index**
speed of light in vacuum / speed of light in medium
300,000,000 (m/s) / spped of light in medium
\
sin i/sin r
sin (incident angle) / sin (refracted angle)
300,000,000 (m/s) / spped of light in medium
\
sin i/sin r
sin (incident angle) / sin (refracted angle)
Note 
Flashcards (57)