Motion
in a Plane
I.
2-Dimensional Motion and Trajectories
What kinds of objects have 2 dimensional motion?
Objects moving along earth's surface
Planets around sun
Pendulums
A) Objects moving along earth’s surface
(projectiles)
1. Projectile fired
horizontally
What you need to know
before solving this type of problem:
B) Projectile fired horizontally - Solving Word Problems
Use
all the same motion equations you used before
Ex) A baseball is
thrown horizontally from a grandstand 20 m above ground at speed of 10 m/s.
(b) What is the projectile's maximum range before it hits ground?
3.
Projectile fired at an angle
Projectiles move in a ____________________
-
Finding the horizontal and vertical components parts