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42. A mechanical monkey toy has an initial speed of 15 m/s, has uniform acceleration of -4.0 m/s², and travels for 6.0 seconds. Draw/label a diagram with the path, initial (i), final (f), and an arrow showing + abee

42. A mechanical monkey toy has an initial speed of 15 m/s, has uniform acceleration of -4.0 m/s², and travels for 6.0 seconds. Draw/label a diagram with the path, initial (i), final (f), and an arrow showing + abee

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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42. A mechanical monkey toy has an initial speed of 15 m/s, has uniform acceleration of Chapter 3- One-dimensional Uniform Acceleration 43 10 -4.0 m/s², and travels for 6.0 seconds. Draw/label a diagram with the path, initial (i), final (f), and an arrow showing +y Laber DI Based on the question below, list the three symbols that you know (based on your labelea diagram) along with their values and SI units. Tip: Consult the chart on page 35. B d. What is the final velocity of the mechanical monkey? H Write the relevant equation. Choose from the three equations of uniform acceleration. Rewrite the equation with numbers plugged in. lgdr st ntp e lo s Solve for the unknown. Want help? Check the hints section at the back of the book. Answer: -9.0 m/s 20
Transcribed Image Text:42. A mechanical monkey toy has an initial speed of 15 m/s, has uniform acceleration of Chapter 3- One-dimensional Uniform Acceleration 43 10 -4.0 m/s², and travels for 6.0 seconds. Draw/label a diagram with the path, initial (i), final (f), and an arrow showing +y Laber DI Based on the question below, list the three symbols that you know (based on your labelea diagram) along with their values and SI units. Tip: Consult the chart on page 35. B d. What is the final velocity of the mechanical monkey? H Write the relevant equation. Choose from the three equations of uniform acceleration. Rewrite the equation with numbers plugged in. lgdr st ntp e lo s Solve for the unknown. Want help? Check the hints section at the back of the book. Answer: -9.0 m/s 20
Speed only tells you how fast an object is moving, with no information about the direction Velocity tells you both how fast an object is moving and which way the object is headed. 3 ONE-DIMENSIONAL UNIFORM ACCELERATION An object must be changing velocity in order to have acceleration. Velocity - a combination of speed and direction. Acceleration - the instantaneous rate at which velocity is changing. Uniform acceleration – the acceleration is constant; velocity changes at a constant rate. Net displacement – a straight line from the initial position to the final position. Relevant Terminology Important Distinctions it is headed. lt displacement does not depend on how the object reaches the final position. Unlike the Nd distance traveled, the net displacement only depends on where the object starts and where the object finishes. Equations of Uniform Acceleration Δx νxot +5 ayt. Vx = Vx0 + axt vž = vo + 2a,Ax Symbols and SI Units Symbol Name SI Units Ax net displacement Vx0 initial velocity m/s final velocity m/s ax acceleration m/s? time S 35
Transcribed Image Text:Speed only tells you how fast an object is moving, with no information about the direction Velocity tells you both how fast an object is moving and which way the object is headed. 3 ONE-DIMENSIONAL UNIFORM ACCELERATION An object must be changing velocity in order to have acceleration. Velocity - a combination of speed and direction. Acceleration - the instantaneous rate at which velocity is changing. Uniform acceleration – the acceleration is constant; velocity changes at a constant rate. Net displacement – a straight line from the initial position to the final position. Relevant Terminology Important Distinctions it is headed. lt displacement does not depend on how the object reaches the final position. Unlike the Nd distance traveled, the net displacement only depends on where the object starts and where the object finishes. Equations of Uniform Acceleration Δx νxot +5 ayt. Vx = Vx0 + axt vž = vo + 2a,Ax Symbols and SI Units Symbol Name SI Units Ax net displacement Vx0 initial velocity m/s final velocity m/s ax acceleration m/s? time S 35
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