Day 1 Free Fall Review PDF

How can we predict motion with the acceleration gravitational constant g? Unit 4 - Two Dimensional Motion Do Now - Notebook If you drop a 5 kg bowling ball from 1 meter high, how much time do you have to react and not have it hit your feet? If it does hit your feet, how much force will the...

How can we predict motion with the acceleration gravitational constant g? Unit 4 - Two Dimensional Motion Do Now - Notebook If you drop a 5 kg bowling ball from 1 meter high, how much time do you have to react and not have it hit your feet? If it does hit your feet, how much force will the ball exert on it? Starting on page 1 Free Fall Falling where the only acceleration is due to gravity  All objects falling near the surface of the earth accelerate at a constant rate of 2 9.81 m/s Free fall  Acceleration due to gravity 2 g = 9.81 m/s Rounding off g we get 10 m/s2 Free fall Dropping Throwing Objects Objects Upward Turn n Talk A boy throws a ball straight downwards with a velocity of 5 m/s off a cliff that is 10 meters high. How long will it take for the ball to hit the ground below? Starting the first three steps of G.U.E.S.S  A boy throws a ball straight downwards Share with a velocity of 5 m/s off a cliff that is 10 meters high. How long will it take for the ball to hit the ground below?  Directions matter in these types of problem Let’s set upward as + and downward as - Acceleration due to gravity then is g = -9.81 m/s2 pointed downwards Throwing Objects Upward Think-Pair-Write-Share A boy throws an object upwards at +40m/s. Let’s round off gravity to -10m/s2 Fill in the chart on page 1, what will the velocity be after every second Think-Pair-Write-Share Let’s discuss A boy throws an object upwards at +40m/s. Let’s round off gravity to 10m/s2 So what’s happening at t=4s? Solve A boy throws an object upwards at +40m/s. Let’s round off gravity to 10m/s2 How long does it take for the ball to return to the boy’s hand? At what velocity? Lesson Summary Acceleration in an upwardly thrown object is still g g = -9.81 m/s2 Symmetric Motion At the top of any upwardly thrown object, the velocity is 0 m/s because it is changing direction. Time it takes to go up is the same as time it takes to come down. https://docs.google.com/presentation/d/19suf7MQ2M6suQaAohfD5ZO nhVwvVLNvjmRYOaGWJX4I/edit#slide=id.g179232d19a5_0_151 Unit 2 Exam Free Response Grading https://drive.google.com/drive/search?q=Unit%202%2 0Exam Lab Make-Up Finish lab 8 from last week. Finish any missing labs, check the board to see if your name is on it. Hand back exam. Test Correction - start those if you are all caught up with labs. Due Friday 12/1