Projectile motion (2d) Flashcards
adding 1d vectors…
- Same direction?
-Opposite directions?
-add
-subtract
When adding vectors add them __ to _____?
head to tail
Adding vectors with right angles…
use Pythagorean theorm
when given directions…
double check signs and locations
projectile motion
-an object in 2d under the influence of the Earths Gravity- a parabola
-analyze horizontal and vertical seperatly
speed in the x- direction is…
constant speed(velocity)
in the y-direction the object moves with…
constant acceleration
If Vx is tripled, X is…
tripled
When does Vx equal Vxo?
All the time because Vx is constant velocity
at the top Vy equals…
0
How is time related?
time is constant through Vx and Vy
What is the acceleration at the top of a thrown object?
-9.8
What is the speed at the top of a parabola?
0
