Unit 1: Kinematics

V₀

current speed

acceleration

changing velocities

Velocity Equation (V)

V=V₀+a(delta t)

Acceleration Equation (a)

a= delta v / delta t

distance

how far an object has moved from starting position

displacement

how far an object is currently from the starting position

what is the vector form of position change?

displacement

what is the scalar form of position change?

distance

direction

where in relation to other things

magnitude

how much distance in each direction

what is the vector form of speed?

velocity

acceleration is a constant value. true or false?

true

magnitude formula

sqrt(x²+y²)

X component

Acos(theta)

Y component

Asin(theta)

theta

tan^-1(y/x)

What is projectile motion?

a particle is in free fall

• only acceleration is gravity

What is the motion of the x direction in projectile motion?

constant

What is a_x in projectile motion?

0

What is a_y in projectile motion?

-10

What is V_y in cliff problems?

0

From which equation do you derive from to find T?

V_y=V_0y+a_y(delta t)

From which equation do you derive from to find H?

V_y²=V_0y²+2a_y(delta y)

From which equation do you derive from to find R?

delta x = V_0x (delta t)

V_0x=

V₀cos(theta)

V_0y=

V₀sin(theta)

V_{y top}=

0

V_{y end}=

-V_0y

t_top=

1/2t_total

what does constant speed mean for acceleration?

no acceleration