DAY 16

#Goals: SWBAT...

1. solve 1-D free-fall kinematics problems using the UAM equations.

2. state whether v_x and v_y are constant or accelerating for a projectile

Warm-Up (4min)

1. Read the notes in #016A, then do G U E with the warm-up (we'll do S S together)
2. A baseball is popped straight up in the air and has a hang-time of 6.25s. Determine the max height (y_max).
3. Hint: the time to max height is 1/2 the total hang time

CLASSWORK

1. #016A: Hangtime and Max Height

- Notes:

- Ymax is the maximum height, and is achieved 1/2 way through the flight of the

projectile

- Ymax occurs at 1/2 the total flight time (often called "hang-time")

- At Ymax, the y velocity is zero. You can use this as your initial velocity, and

then treat the problem like a free-fall problem

- Practice:

- A football is kicked and reached ymax at 2.0s. How high is y_max?

2. #016B: Preparation for Thursday/Friday Lab

- Notes: https://www.flippingphysics.com/projectile-motion.html

- EdPuzzle: https://edpuzzle.com/media/57bc6dea3715279a24e9fdf6

At Home Learning (HW)

**Tomorrow is daughter's birthday, and my wife is sick, so I'll be home.**

1. #016C: Wednesday you will work on your pre-lab as we build towards our ramp/cup/ball bearing challenge this Thursday/Friday.

Take Notes: LINK 1

Watch the video, and answer the EdPuzzle Questions: LINK 2