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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 Free fall: when an object is only affected by gravity
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.
Vertical Motion. We have investigated horizontal motion. NOW, we will study vertical motion.
Physics Quicky A Stone Thrown Downward
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.
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.
Applying the Equations of Motion Physics 11 Equations of Motion.
Projectile Review Questions
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.
Motion in One Dimension
Acceleration. Review Distance (d) – the total ground covered by a moving object. Displacement ( x) – the difference between an object’s starting position.
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