unit2/3 kinematics/projectile motion Flashcards
1
Q
kinematic equation without x
A
vf=vi+at
2
Q
kinematic equation without vf
A
x=vit+1/2at^2
3
Q
kinematic equation without vi
A
x=vft-1/2at^2
4
Q
kinematic equation without t
A
vf^2=vi^2+2ax
5
Q
kinematic equation without a
A
x=1/2t(vf+vi)
6
Q
acceleration on earth
A
g=-9.8
7
Q
speed equation
A
S=Σd/Δt
8
Q
velocity equation
A
v=Δx/Δt
9
Q
acceleration equation
A
a=Δv/Δt
10
Q
note- the displacement Δx is equal to the area under the velocity graph during interval Δt
A
11
Q
the ratio Δvx/Δt
A
the rate of change of velocity
12
Q
the ratio Δvx/Δt slope
A
the slope of a velocity vs time graph
13
Q
an object undergoing constant acceleration has a
A
straight line velocity graph
14
Q
an objects acceleration is
A
the slope of its velocity vs time graph
15
Q
in projectile motion problems the x and y values
A
are independent from each other and have to stay separate
