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Unit Three Test Review Good Luck!
Sketch a motion map of object A x t A B
Which object has a greater displacement at 3 seconds? x t A B 3 s Both objects have the same displacement.
Which object has a greater acceleration and why? x t A B 3 s Object A because it has a changing velocity.
A car starts from rest and accelerates to 15 m/sec over a time of 10 seconds. Make a motion map!
A car starts from rest and accelerates to 15 m/sec over a time of 10 seconds. Draw the velocity vs time graph! v t
A car starts from rest and accelerates to 15 m/sec over a time of 10 seconds. Calculation the acceleration v t Acceleration = 1.5 m/s/s
A car starts from rest and accelerates to 15 m/sec over a time of 10 seconds. How far does the car travel? v t Displacement = 75 m
A train traveling at 30 m/sec slows to 10 m/sec in 10 seconds. It then travels at that speed for another 20 seconds. Make velocity vs. time graph for the motion t (sec) v (m/s) 30
What is the acceleration of the train while it is slowing down? t (sec) v (m/s) 30
What is the displacement of the train during the 30 seconds it is in motion t (sec) v (m/s) 30 Δx = Area = 400 m
A train going 25 m/sec slams on its breaks and comes to a stop in 87 seconds. What is the acceleration of the train? a = m/s/s
A train going 25 m/sec slams on its breaks and comes to a stop in 87 seconds. How far does it travel when coming to a stop? x = m
An arrow is fired up with an initial velocity of 18 m/sec. What is the acceleration at the highest point? a = -9.8 m/s/s
An arrow is fired up with an initial velocity of 18 m/sec. How high does the arrow fly? Xf = 16.5 m
An arrow is fired up with an initial velocity of 18 m/sec. What is the total time the arrow is in the air. t = 3.68 sec
Motion and Force A. Motion 1. Motion is a change in position 2. Reference points are necessary.
DO NOW The position-time graph above represents the motion of a basketball coach during the last sixteen seconds of overtime. (a) Determine the total distance.
Graphical Analysis of Linear Motion. A car travels along a road at a constant velocity of 10. m/s time (s) position (m)
Sketching Motion Graphs Interpreting Motion Graphs Constant Velocity Acceleration Distance/
Acceleration Velocity-time graph Questions. Acceleration.
Kinematics- Acceleration Chapter 5 (pg ) A Mathematical Model of Motion.
Do you know your x-t graphs?. x t Slowing Down (in the positive direction) Negative Acceleration
Acceleration A car starts from rest and accelerates at a rate of 6.1 m/s 2 for 7 seconds. Calculate how far it traveled. V 1 = V 2 = A = D = T =
Sec 3.7: Rates of Change in the Natural and Social Sciences Syllabus: Example 1 only instantaneous rate of change of S with respect to t instantaneous.
STARTER During a road trip, in 6 hours you travel 300 miles. What is your average velocity? Average Velocity = distance travelled/time taken = 300 miles/6.
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.
Straight Line Motion Looking at position, velocity, and acceleration from the integral.
Summarize things so far… Distance (m) Time (sec) What is the object’s speed from: 0-3 sec: 3-5 sec: 5-11 sec:
Objectives After completion, you should 1. Know the term displacement, velocity,acceleration and deceleration for motion in a straight line 2. Be familiar.
Velocity - time graph 1. The velocity – time graph shows the motion of a particle for one minute. Calculate each of the following. (a) The acceleration.
On your paper, graph the following: D (m) T (sec)
Motion in One DimensionSection 1 Preview Section 1 AccelerationAcceleration Section 2 Extra QuestionsExtra Questions.
He Ashely is approaching a stoplight moving with a velocity of 30.0 m/s. The light turns yellow, and Ashley applies the breaks and skids to a stop. If.
Objectives: 1.Be able to distinguish between distance and displacement 2.Explain the difference between speed and velocity 3.Be able to interpret motion.
August 15 Physics. Homework quiz A race horse runs with an average velocity of 12 m/s for 35 seconds. What is its displacement? If it crosses the finish.
Practicing with Graphs. Plot the motion on a DISPLACEMENT- TIME graph d (m) t (s) An object moves at a constant velocity, then stops, then moves at a.
Kinematics Review. DISTANCE ( m ) TIME (s)
2.2 Acceleration Physics A. Objectives I can describe motion in terms of changing velocity. I can compare graphical representations of accelerated and.
Motion in One Dimension – PART (s) x (m) 1234 t 5 Motion Diagrams An object starts from rest and moves with constant.
CH. 2 NOTES Abbreviated. Distance vs. Displacement Distance – how far an object travels (meters) Displacement – straight line path between two points.
Chapter 10: Motion 10.1 An object in motion changes position 10.2 Speed measures how fast position changes 10.3 Acceleration measures how fast velocity.
Kinematics deals with situations involving motion. S=distance/displacement. If s=0, object is at starting point +- relates to position from a certain.
Velocity - time graphs z A straight line slope shows an accelerating object!!!! z The steeper the slope the greater the acceleration!
Graphing motion. Displacement vs. time Displacement (m) time(s) Describe the motion of the object represented by this graph This object is at rest 2m.
Physics Support Materials Higher Mechanics and Properties of Matter b Solutions to Problems - Equations of Motion 27,27, 28, 33, 34, 35,28,33,34,35, Click.
dd vv Fast constant negative Slow constant negative At rest Getting slower In POS direction Slow positive velocity Same velocity.
Which line represents the greater speed? Graphing motion The greater the speed, the steeper the slope.
Representing Motion in a Variety of Ways Graphs: - Allows us to interpret motion without even seeing the motion occur What was the object’s velocity (not.
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.
Unit II Physical Science Motion and Forces. Distance vs. Displacement What two changes help you identify that an object is in motion? –Change in Direction.
Acceleration. Definition Any change in velocity is acceleration What are the possible causes of acceleration? Speeding up Slowing down Changing direction.
“Dynamics by Hibbeler,” Dr. S. Nasseri, MET Department, SPSU 1 RECTILINEAR KINEMATICS: ERRATIC MOTION Today’s Objectives: Students will be able to: Determine.
Warm Up A particle moves vertically(in inches)along the x-axis according to the position equation x(t) = t 4 – 18t 2 + 7t – 4, where t represents seconds.
More More graphs of motion & Kinematic equations SEPTEMBER 11-14, 2015.
How Far? distance: –symbol: d –units: meters displacement: –symbol: –units: meters How far an object has traveled Is a “vector” quantity How far an.
Physics 151 Week 4 Day 2 Topics –Motion Graphs –Area under a curve (velocity to position) –Constant acceleration equations.
Motion Graphs. Position is on the vertical axis Time is on the horizontal axis Slope (rise/run or Δy/Δx) = velocity A curved graph shows acceleration.
Graphically Representing Motion Displacement vs. Time graphs Velocity vs. Time graphs.
1 Using Kinematic Equations 1. Write down the symbols, values and units (in SI) of given quantities 2. Write down the symbol of the quantities required.
1 Which line shows a speed that gets faster & faster? VELOCITY A B C D E. None of the above.
A pitcher throws a ball, and the batter hits a home run. What changes did the ball go through in its motion? It was still, sped up in the pitchers hand,
Motion Graph Practice For each of the following: Create the missing, X vs. t, V vs. t, a vs. t graphs A Motion Map Determine the displacement covered by.
Reaction-time Problem # 1 You are driving down the highway late one night at 20m/s when a deer steps onto the road 35 m in front of you. Your reaction.
Chapter 2 Motion and Speed
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