Do Now Complete the Exit Ticket from Mondays

Do Now Complete the Exit Ticket from Monday’s lesson on acceleration. You may look at the Daily Organizer from Monday for a reminder of what we did. We will go over the solutions in 5 minutes.

Do Now Answers 1. Acceleration = (40 m/s) / 7 s = 5. 7 m/s 2 2. v = at = (5. 7 m/s/s)(97 sec) = 550 m/s 3. 12. 5 s

Today’s Agenda 5 min • Do Now 5 min • Important Dates 15 min • Free-Fall Acceleration Lab 25 min • Gravity & Acceleration 5 min • Exit Ticket

Today’s Agenda 5 min • Do Now 5 min • Important Dates 15 min • Free-Fall Acceleration Lab 25 min • Gravity & Acceleration 5 min • Exit Ticket

Important Dates & Reminders Homework This Week Your homework due today should already be in the bin. You will be NOT be assigned a second HW for this week Homework Turn In MUST increase to keep this privilege! Science Fair Upcoming Deadlines Monday – Bibliography Worksheet & Research Paper Monthly News Project Due Monday, October 31 st Sciencedaily. com is the best s 0 urce for articles! Quiz Monday on Acceleration & Motion Graphs

Today’s Agenda 5 min • Do Now 5 min • Important Dates 15 min • Free-Fall Acceleration Lab 25 min • Gravity & Acceleration 5 min • Exit Ticket

Free-Fall Acceleration Lab For today’s lab, you will be working independently with a computer simulation. On the computer desktop, open the thing that looks like a tea cup and is called “ejs_bu_freefall. jar” After you read the description that pops up, exit out of that window and begin the instructions on your lab manual. If you do not complete the post-lab discussions in class, you will need to complete them for homework.

Today’s Agenda 5 min • Do Now 5 min • Important Dates 15 min • Free-Fall Acceleration Lab 25 min • Gravity & Acceleration 5 min • Exit Ticket

Free Fall Assumes no air resistance Acceleration is constant for the entire fall Acceleration due to gravity (ag or g ) Has a value of -9. 81 m/s 2 Negative for downward Roughly equivalent to -22 (mi/h)/s

Free Fall For a ball tossed upward, make predictions for the sign of the velocity and acceleration to complete the chart. Velocity (+, -, or zero) Acceleration (+, -, or zero) When halfway up + - When at the peak When halfway down zero - - -

Free Fall Click below to watch the Visual Concept

Graphing Free Fall Based on your present understanding of free fall, sketch a velocity-time graph for a ball that is tossed upward (assuming no air resistance). Is it a straight line? If so, what is the slope? Compare your predictions to the graph to the right.

Velocity and Acceleration of an Object at its High Point Click below to watch the Visual Concept

Guided Practice • For the first problem, we are going to work together as a class on completing the problem. • For the second problem, you are going to work in pairs and do the Sage & Scribe activity we did last week to answer the three questions.

Independent Practice • On the back of your Daily Organizer, there are four more practice problems. You are to work on these silently and independently.

Today’s Agenda 5 min • Do Now 5 min • Important Dates 15 min • Free-Fall Acceleration Lab 25 min • Gravity & Acceleration 5 min • Exit Ticket

Exit Ticket Exit tickets will be my daily way of seeing whether or not you have understood the objectives we have gone over during class each day. They will NOT be graded for accuracy but WILL be graded for completion so make sure you always try each and every question. These exit tickets must be done silently and independently. If you violate this, you will lose your participation points for the day. You must wait to begin your exit ticket until Ms. Kemal says to begin.