TERMS
A physical quantity with a magnitude but no direction.
SCALAR
The longest side of a triangle.
HYPOTENUSE
The Greek letter used to represent an angle.
THETA
The effect that gravity has on the X component of motion.
NONE
The result of multiplying a vector by a scalar.
VECTOR
The two types of coordinates to consider in projectile motion.
X and Y
What would normally alter the path of projectiles, which we never considered in our calculations.
AIR RESISTANCE
The vector sum of 25.0 m north and 18.0 m east has a magnitude of _______.
30.8 m
A type of vector that is the sum of two or more vectors, in many cases, the closing of a triangle.
RESULTANT
The opposite leg of a triangle divided by its adjacent leg.
TANGENT
The value of the Y component at the point of the vertical direction change for a projectile.
0
Describe the change in velocities in both x and y directions as a projectile falls after rolling off a cliff.
Y increases, X stays constant
An object thrown or launched into the air and subject to gravity.
PROJECTILE
What we use to designate a direction with a vector.
ANGLE
Projectile motion is this type of motion with an initial horizontal velocity.
FREE FALL
Special property of riverboat current in calculations.
HAS NO EFFECT ON X DIRECTION
The type of algebraic shape that the path of a projectile typically shows.
PARABOLA
The theorem that only works with right triangles to find a missing component.
PYTHAGOREAN
Method for adding vectors in a one after the other fashion.
HEAD-TO-TAIL
The way to subtract a vector.
ADD ITS OPPOSITE