SAT II PHYSICS: Things to know

Terms in this set (35)

Unit for Length (l)

Unit for mass (m)

Unit for time (t)

Unit for electric current (I)

unit for temperature (T)

Unit for an Amount of Substance (n)

Frequency (f) Hertz (Hz)

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)

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

area of a velocity time graph

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

37-53-90 triangle

(3/5)x, (4/5)x, x

45-45-90 triangle

initial velocity at rest

constant velocity

acceleration= 0 m/s^2

returns to starting point

dropped, thrown, falls

Equation - No Time

Vf^2 = Vi^2 + 2ax

Equation - Time & want Velocity

Equation - Time & want Displacement

d = Vi(t) + (1/2)(a)t^2

Equation = Constant Velocity

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