Chap 4a - Projectile Motion Flashcards
parabolic
shaped like a parabola or part of a parabola.
up angle
indicates a launch angle that is above the horizontal
x-component of position
x-component of velocity
x-component of the initial velocity
projectiles, by definition, are in ________ _________
free fall
displacement
an x/t graph is an _________ representation of the motion.
abstract
launch angle
the angle between the initial trajectory of a projectile and the horizontal direction.
projectile
an object that moves in two dimensions under the influence of gravity only.
ay for a projectile on earth
- 9.8 m/s2
centripetal
center seeking
Model the vertical motion of a projectile as
Uniform Acceleration
position vector
y-component of position
launch
The period of time when a projectile is being accelerated up to speed.
trajectory
the path followed by a flying object
y-component of velocity
ax for a projectile on earth.
0
parabolic trajectory
The path of a projectile has this shape.
down angle
indicates a launch angle that is below the horizontal
what type of graph shows the actual trajectory of a projectile?
a “ y/x “ graph
y-component of the initial velocity
parabola
These kinds of thingys
Model the horizontal motion of a projectile as
Constant velocity
In projectile motion, the direction of the force _____________.
Does not change.
In projectlie motion, the force is at an ________ to the diretion the object is moving.
angle
