SAT II PHYSICS: Things to know

Terms in this set (35)

Unit for Length (l)
meter (m)
Unit for mass (m)
Kilogram (kg)
Unit for time (t)
Second (s)
Unit for electric current (I)
Ampere (A)
unit for temperature (T)
Kelvin (K)
Unit for an Amount of Substance (n)
Mole (mol)
Area (A)
m^2
Volume (V)
m^3
Density
kg/m^3
Frequency (f) Hertz (Hz)
1/s = s^-1
Energy (E) Joule (J)
N•m = kg • m^2/s^2
Power (P) Watt (W)
J/s = kg • m^2/s^3
Pressure (P) Pascal (Pa)
N/m^2 = kg/m•s^2
Electric Charge (q) Coulomb (C)
A • s
electric potential (V) Volt (V)
J/C = J/A • s = kg • m^2/A•s^3
Area of a Speed Time graph
Displacement (meters)
slope of velocity time graph
acceleration
area of a velocity time graph
displacement
scalar quantity
only magnitude, no direction (Time, Motion, Energy, Mass, Gases, Electricity, Circuits)
Vector quantity
both magnitude and direction (Displacement, velocity, acceleration, force, momentum, electric field, magnetic field)
30-60-90 triangle
x, x√3, 2x
37-53-90 triangle
(3/5)x, (4/5)x, x
45-45-90 triangle
x, x, x√2
initial velocity at rest
Vi= 0 m/s
stops
Vf= 0 m/s
constant velocity
acceleration= 0 m/s^2
returns to starting point
d= 0m
dropped, thrown, falls
g= -10m/s^2
dropped
vi= 0m/s
maximum height
Vf= 0 m/s
Equation - No Time
Vf^2 = Vi^2 + 2ax
Equation - Time & want Velocity
Vf = Vi + at
Equation - Time & want Displacement
d = Vi(t) + (1/2)(a)t^2
Equation = Constant Velocity
V= a/t
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