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The derivatives of a particle’s position is
velocity
The second derivative of a particle’s position is
acceleration
A derivative of a particle’s velocity is
acceleration
speed is defined as
absolute value of velocity
Average velocity is calculate by doing slope with
position [x(b)-x(a)/b-a]
average acceleration is calculatedd by doing slope with
velocity [v(b)-v(a)/b-a]
a particle is at rest when
v(t) = 0
A particle is moving right (up) when
v(t) > 0
A particle is moving left (down) when
v(t) < 0
A particle changes direction when
v(t) changes sign
A particle’s velocity is increasing when
a(t) > 0
A particle’s velocity is decreasing when
a(t) < 0
A particle’s speed is increasing (aka speeding up) when
v(t) and a(t) signs are the same
a particle’s speed is decreasing (aka slowing down) when
v(t) and a(t) signs are different
area of square
A = s²
Area of circle
A = πr²
Volume of circle
A = πr²h
Area of triangle
A = 1/2 bh
Volume of triangle
A = 1/3 Bh
derivative of sec
sec(x)tan(x).
derivative of cot
-csc^2(x)
derivative of csc
-csc(x)cot(x)