Transcript Nov 9

AGENDA NOVEMBER 9
Go over D problems in the book
Projectile motion notes
Demo: Parabola
Learning Target: I can describe
the path of a projectile as a
parabola.
Vocabulary: parabola
QUESTIONS FOR PROJECTILE MOTION
DEMONSTRATION
1. What is the shape that the projectile ball followed?
2. Is the speed of a projectile at the beginning of its journey reallly the same as at
the end?
3. How does projectile motion differ from freefall?
4. Is horizontal motion affected by the downward force due to gravity?
END OF CLASS QUESTION
1. What is the acceleration of a projectile just before it
hits the ground
-9.8 m/s²
1. People in movies ofen jump from buildings into pools.
If a person jumps horizontally from 30 meters (the
10th floor) to a pool 5 m from the building, with what
initial speed must he jump?
2.0m/s
HOMEWORK:
Read pg 99-100, take Cornell notes ,
making sure to work through sample
problem E on the left hand side of your
paper. Then do practice E problems 1-4
from pg. 101 and Section Review 1-4