2: SPEED‚ VELOCITY AND ACCELERATION 2.1 Distance and Displacement • Distance is the total length covered by a moving object irrespective of the direction of motion‚ i.e. only the magnitude is of importance. • Displacement is the distance measured in straight line AND in a specific d__________________. Both magnitude and d_________________ are important. Example 1 A car travels 5 km due east and makes a U-turn back to travel a further distance of 3 km. Find (a) the distance covered‚ (b)
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In this equation‚ g represent gravity which has the value of 980 cm/s^2. After calculating the acceleration‚ the photogate can be used to find the experimental acceleration. To do this‚ turn on the smart timer and press the red touchpad key. Press the red touchpad key until acceleration is selected. Furthermore‚ press the blue key to select one gate‚ and the black one to establish readiness. After the appropriate settings have been selected
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relationship between air resistance and acceleration of an object during free fall.To calculate the acceleration you will use the following formula: 2 delta x/ t^2 In this lab you will drop coffee filters from a height of one meter. You will measure their acceleration by measuring the vertical distance and the time that coffee filters take in traveling that distance. Objectives After completing this lab‚ you will be able to: 1. calculate the acceleration of falling object and discuss the effect
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Question: 1. Which person(s) changes direction during the time of motion? 2. Which person(s) is/are not moving? 3. Which person has the greatest average speed? 4. Which person(s) has/have a constant‚ positive acceleration value? 5. Which person has the greatest magnitude of acceleration? 1. C 2. none 3. E 4. D reason: lets say initial vel = -100‚ and final velocity = -50 -> a = vf – vi/t = -50 – (-100) = +50/t 5. C (largest change in velocity) EXAMPLE
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Free-Fall Acceleration Laboratory Help Sheet * Design an experiment :-UNIT 2 Lesson 3 page 1 * Hypotheses UNIT 2 Lesson 3 page 2 How do you think the free fall acceleration will be different on Earth‚ Moon and Mars and why? * Data collection and organization. UNIT 2 Lesson 3 page 3‚4 EARTH Time (s) | 0 | 0.2 | 0.4 | 0.6 | 0.8 | 1.0 | Distance (m) | 0 | x | | | | | Average Velocity m/s | 0 | A | B | | | | Acceleration m/s/s | 0 | | C | | | | Example
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very long time [d] the velocity of the particle will become u/2 after time 1/α Q.2 A particle moves along the xaxis as x = u(t-1)2 + a(t-3)3 [a] initial velocity of the particle is u [b] the acceleration of the particle is a [c] the acceleration of the particle is 2a [d] the particle is at the origin at time t=3 seconds Q.3 A particle is projected vertically upwards [a] the speed decreases uniformly with distance [b] the speed decreases
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KINEMATICS IN ONE DIMENSION chapter Section 2.1 Displacement Section 2.2 Speed and Velocity 1. A particle travels along a curved path between two points P and Q as shown. The displacement of the particle does not depend on- Q (a) The location of Q. (b) The location of P. (c) The direction of Q from P. P (d) The distance traveled from P to Q. Ans. (d) 2. For which one of the following situations will the path length
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fFree-Fall Acceleration Laboratory LAB REPORT This is an EXAMPLE of this assignment and what is expected.- DO NOT COPY the information on this example. The information on here is not the correct answers. You will get no credit for copying. 1. Design an Experiment 5 points I would use three different objects. My objects would be different shapes‚ difference sizes and difference masses. I would measure the time it took them to fall form a balcony to the ground
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Understand and use the idea of a vector to represent displacements‚ velocities‚ accelerations and forces in a plane 5. Know the difference between speed (a scalar) and velocity (a vector) 6. Know the difference between “mass” and “weight” 7. Know the difference between “gravitational acceleration” and “gravitational force” 8. Be able to explain what a force is without using the word “force” 9. Be able to explain what time is without using the word “time” 10. Given a velocity or acceleration in terms of unit i and j vectors‚ understand how to find its
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Acceleration vs. Time Graphing Name: Morgan Wilkins Go to http://phet.colorado.edu/en/simulation/moving-man and click on Run Now. Objectives: • To predict‚ sketch and test acceleration vs. time kinematics graphs • To review predicting and sketching distance vs. time and velocity vs. time kinematics graphs PROCEDURE: 1. Begin by making charts like the one below for each of the following a-d My Prediction / Actual Graph a. The man walks slowly to the house from the origin. Position –Time Graph
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