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Physical Science A Equations
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Gravity
Terms in this set (29)
Speed Equation
s = d/t
- s = ?
- d = distance
- t = time
Acceleration Equation
a= (Vf - Vi)/t
- a = ?
- Vf = final velocity
- Vi = initial velocity
- t = time
Force Equation
F = ma
- F = ?
- m = mass
- a = acceleration
Momentum Equation
p = mv
- p=?
- m=mass
- v=velocity
Work Equation
W = Fd
-W=?
-F= applied force
-d= distance
Kinetic Energy Equation
KE = 1/2mv^2
- KE = ? (Joules)
- m = mass
- v = velocity/speed
Gravitational Potential Energy Equation
GPE = mgh (Joules)
- GPE = ?
- m = mass
- g = gravity
- h = height (m)
Ohm's Law Equation
I = V/R
- I = current (amps)
- V = voltage difference (volts)
- R = resistance (?)
Power Equations
P = W/t
P =Power (watts)
W = Work (Joules)
t = time (seconds)
Weight Equation
w=mg
w = weight (Newtons)
m= mass (kilograms)
g = acceleration due to gravity (m/s2 and 9.8 m/s2 on earth)
little w
Weight - measure of pull of gravity on a mass
w=mg
is a force
measured in NEWTONS
Velocity equation
v=d/t
Like speed with a directions
v = velocity (meters/second)
d = distance or displacement (meters)
t = time (seconds)
little v
Velocity change of position per time
speed with a direction
Units m/s (meters/second)
t
time
Units s (seconds)
d
displacement or distance
Units m (meters)
vf
final velocity (m/s)
vi
initial velocity (m/s)
a
acceleration (m/s2)
F
Force (N)
m
mass (kg)
p
momentum (kg*m/s)
P
Power (W or Watts)
Big V
Volts (measured in volts)
g
acceleration due to gravity (m/s2) 9.8 m/s2 on earth
I
Current (amps)
R
Resistance (ohms)
KE
kinetic energy (J) energy of motion
GPE
gravitational potential energy (J)
BIG W
Work (J)
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