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Free Fall What is the acceleration if the ball falls vertically?
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley Example A bus moving at a speed of 40 m/s begins to slow at a rate of 3 m/s each second. Find how far it goes before stopping?
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley Example A ball is dropped from rest at a height of 50 m above the ground. a) What is it speed just before it hits the ground b) How long does it take to reach the ground. (ignore air friction and consider that down is positive). Answers: a) 31 m/s b) 3.2 s
Chapter 2 Motion in One Dimension 1. Speed 2. Displacement 3. Average and Instantaneous velocity 4. Acceleration 5. Motion Diagrams 6. 1D motion with constant.
Linear Motion. Displacement The change in position for a given time interval.
Chapter 3 Kinematics in Two Dimensions. 3.1 – d, v, & a A bullet is fired horizontally. A second bullet is dropped at the same time and at from the same.
Vertical projectile motion deals with objects that fall straight down, objects that get thrown straight up and the motion of an object as it goes straight.
Free Fall Think about an apple falling from a tree. – It starts at rest and gains speed as it falls, or accelerates. Gravity causes the apple to accelerate.
For all problems, ignore friction and air resistance  How long will it take a 14. n object to free fall from a height of 50 meters? Does the fact that.
Question #1 Name one feature of an object that would affect air resistance.
Physics Quicky A Stone Thrown Downward A boy on a bridge throws a stone vertically downward with an initial velocity of 14.7 m/s toward the river below.
Vertical Motion. We have investigated horizontal motion. NOW, we will study vertical motion.
Notes on Motion VI Free Fall A Special type of uniform acceleration.
Do Now A car accelerates from 18.5 m/s to 46.1 m/s in 2.47 seconds. 1.Draw a picture. 2.Draw a motion diagram for the car. 3.Determine the acceleration.
Today’s Topic Free Fall What is Free Fall? Free Fall is when an object moves downward (vertically) only as the result of gravity.
Free Fall & Projectiles Chapter 3, sections 7-9 & Chapter 8, sections 1-4.
Applying the Equations of Motion Physics 11 Equations of Motion.
Projectile Review Questions. The Quiz 8 questions Some multiple choice Most short answer Some questions have multiple parts MUST show all work You can.
Freefall Motion Notes Any object near the surface of the Earth experiences the pull of gravity. If released from rest, the object will fall freely toward.
CHAPTER 2 Motion in One Dimension. QUESTION 1 During which time interval does the minivan move to the east?
Acceleration. Review Distance (d) – the total ground covered by a moving object. Displacement ( x) – the difference between an object’s starting position.
Science Starter! Consider a ball thrown directly overhead. 1.Describe what happens to its velocity (in terms of speed and direction) on (a) the way up,
Free falling …. ACCELERATION DUE TO GRAVITY All bodies in free fall (that is no air resistance) near the Earth's surface have the same downward acceleration.
Acceleration due to Gravity A special case study of uniform acceleration.
Acceleration and Gravity Chapter 4.4, Physics 2. Representing 1D motion Motion horizontally Motion vertically.
General Physics 1, additional questions, By/ T.A. Eleyan 1 Additional Questions.
Gravity & Free Fall. Elephant vs. Feather If both are dropped from the same height at the same time, which will hit the ground first? On Earth? On the.
Chapter 2 Section 3: Falling Objects. Free Fall acceleration: An object dropped or thrown near the surface of the Earth experiences a constant acceleration.
Kinematic Equations Practice Problems. 1. An object starts from rest with a constant acceleration of 8.00 m/s/s along a straight line. Find the speed.
Chapter Review. 1. A car is driven 1500 meters west in 120 seconds. What is the velocity in m/s?
Physics Review - answers Accelerated motion, free-fall, and the Law of Inertia.
5.6 Projectiles Launched at an Angle. No matter the angle at which a projectile is launched, the vertical distance of fall beneath the idealized straight-line.
Copyright © 2011 Pearson Education, Inc. Publishing as Longman.
Free Fall Objectives 1.) define free fall 2.) explain that all falling objects accelerate 3.) agree that all objects fall at the same rate 4.) write the.
Motion The symbol “Δ” means “Change in” QuantitySymbolDefinitionUnitsQuantitySymbolDefinitionUnit DistancedmDisplacementdm Speedvd/Δtm/sVelocityvd/Δtm/s.
Section 3.6 Motion in Two Dimensions: Projectile Motion © 2015 Pearson Education, Inc.
Objects in Free Fall 2.7. What is gravity? Gravitation is a natural phenomenon by which objects with mass attract one another.natural phenomenonmass.
Copyright © 2010 Pearson Education, Inc. Accelerated Motion Chapter 3 Review.
Forces in Motion What Do You Think? How does the force of gravity affect falling objects?
Module 2, Recitation 4 Concept Problems. ConcepTestAcceleration I If the velocity of a car is non- zero (v 0), can the acceleration of the car be zero?
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Chapter 5 Part 1 Conditionals and Loops.
Chapter 6 Forces in Motion. 6-1 Gravity and Motion Objects Falling –All objects fall with the same acceleration –Gravity Constant 9.8 m/s 2 on Earth To.
Free Fall. Up and Down Two balls are thrown at the same initial speed, one upward and one downward with negligible air resistance. When the balls strike.
High School by SSL Technologies Physics Ex-32 Projectile motion is the vectorial sum of two independent velocities, a horizontal component and a vertical.
Free Fall Projectile Motion – free fall, but not vertical.
Get out paper and something to write with!. On a sheet of paper answer the following questions…you may ask a neighbor. 1. What is gravity? 2. What is.
CH02-3 Constant Net Force Examples. Summary of Analytic Method Theory.
Free Fall Chapter 2 Section 3. Free Fall Free Fall – An object in free fall falls at a constant acceleration towards the surface of a planet neglecting.
Forces and Newton’s First Law of Motion 8SCIENCE.
General Physics Projectile Motion. What is a Projectile? Name examples of projectiles. A projectile has a constant horizontal velocity. A projectile has.
Midterm Jeopardy Motion Vectors and Motion Graphs.
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