1. Physics 1 – Sept 19, 2017 P3 Challenge –
While spelunking you come across a deep vertical crevasse. Curious about its depth you drop a pebble down the crack and hear the pebble splash in a pool of water seconds later. How deep is this crevasse?

2. Objectives and Agenda Objective Agenda Assignment:
Use freefall calculations to measure reaction time
Agenda
Reaction time lab
Time to work on review worksheet
Assignment:
Complete the Reaction time lab worksheet (due Thursday 9/21) (or in class today)
Work with study guide and review worksheet to review (Test on Tuesday 9/26)

3. Reaction Time Lab
You may use either a meter stick or a flat ruler to measure your reaction time.
You will practice:
Average
Standard Deviation
Freefall Calculation
Error propagation
Report has some questions.

4. Exit Slip - Assignment
New timeline: Tuesday Sept 19 – Reaction time lab and some review time.
Thursday Sept 21 – Review day
Tuesday Sept 26 – U1 Test
What’s Due on Thursday Sept 21? (Pending assignments to complete.)
Complete the Reaction time lab worksheet (due Thursday 9/21) (if not done today)
What’s Next? (How to prepare for the next day)
Work with study guide and review worksheet to review (Test on Tuesday 9/26)