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A and Ⓡ. 41. An object moves with constant acceleration 4.00 m/s² and over a time interval reaches a final velocity of 12.0 m/s. (a) If its initial velocity is 6.00 m/s, what is its displacement during the time interval? (b) What is the distance it travels during this interval? (c) If its initial velocity is -6.00 m/s, what is its displacement during H T

A and Ⓡ. 41. An object moves with constant acceleration 4.00 m/s² and over a time interval reaches a final velocity of 12.0 m/s. (a) If its initial velocity is 6.00 m/s, what is its displacement during the time interval? (b) What is the distance it travels during this interval? (c) If its initial velocity is -6.00 m/s, what is its displacement during H T

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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Need help with question number 41, second picture have the last bit of the information.

Figure P2.39 Problems 39 and 40. 40. A glider of length 12.4 cm moves on an air track with constant acceleration (Fig P2.39). A time interval of 0.628 s elapses between the moment when its front end passes a fixed point A along the track and the moment when its back end passes this point. Next, a time interval of 1.39 s elapses between the moment when the back end of the glider passes the point and the moment when the front end of the glider passes a second point ® farther down the track. After that, an additional 0.431 s elapses until the back end of the glider passes point ®. (a) Find the average speed of the glider as it passes point . (b) Find the acceleration of the glider. (c) Explain how you can compute the accel- eration without knowing the distance between points A and 6. 41. An object moves with constant acceleration 4.00 m/s² and over a time interval reaches a final velocity of 12.0 m/s. (a) If its initial velocity is 6.00 m/s, what is its displacement during the time interval? (b) What is the distance it travels during this interval? (c) If its initial velocity is -6.00 m/s, what is its displacement during and (1 the pla speed Section 2. Note: In of air r 45. In Ch objec parti stant up, v leave cent (d) ( 46. An thro heig reac the the stra spe
Transcribed Image Text:Figure P2.39 Problems 39 and 40. 40. A glider of length 12.4 cm moves on an air track with constant acceleration (Fig P2.39). A time interval of 0.628 s elapses between the moment when its front end passes a fixed point A along the track and the moment when its back end passes this point. Next, a time interval of 1.39 s elapses between the moment when the back end of the glider passes the point and the moment when the front end of the glider passes a second point ® farther down the track. After that, an additional 0.431 s elapses until the back end of the glider passes point ®. (a) Find the average speed of the glider as it passes point . (b) Find the acceleration of the glider. (c) Explain how you can compute the accel- eration without knowing the distance between points A and 6. 41. An object moves with constant acceleration 4.00 m/s² and over a time interval reaches a final velocity of 12.0 m/s. (a) If its initial velocity is 6.00 m/s, what is its displacement during the time interval? (b) What is the distance it travels during this interval? (c) If its initial velocity is -6.00 m/s, what is its displacement during and (1 the pla speed Section 2. Note: In of air r 45. In Ch objec parti stant up, v leave cent (d) ( 46. An thro heig reac the the stra spe
em for this st appropri- the time interval? (d) What is the total distance it trav- els during the interval in part (c)? for analysis 42. At 1 = 0, one toy car is set rolling on a straight track with initial position 15.0 cm, initial velocity -3.50 cm/s, and constant acceleration 2.40 cm/s². At the same moment, another toy car is set rolling on an adjacent track with initial position 10.0 cm, initial velocity +5.50 cm/s, and constant acceleration zero. (a) At what time, if any, do the two cars have equal speeds? (b) What are their speeds at that time? (c) At what time(s), if any, do the cars pass each other? (d) What are their locations at that time? (e) Explain the differ- ence between question (a) and question (c) as clearly as possible. nsion ve the equa- or the boat's e) Substitute tion numeri- above. ition is given n meters and en it changes eturns to the ationary pho- Fig. P2.39) is rval At dur- Infrared light V₁= €/At, is his part of its constant accel- dea that u is ne glider when ace. (b) Argue o the instanta- Ifway through Va 30 43. Figure P2.43 represents part , (m/s) of the performance data 501 of a car owned by a proud 40 physics student. (a) Calcu- late the total distance trav- eled by computing the area under the red-brown graph line. (b) What distance does the car travel between the times = 10's and t = 40 s? (c) Draw a graph of its accel- eration versus time between t= an equation for xas the motion, 20 10 ( £1 (5) 0 10 20 30 40 50 Figure P2.43 p 47.
Transcribed Image Text:em for this st appropri- the time interval? (d) What is the total distance it trav- els during the interval in part (c)? for analysis 42. At 1 = 0, one toy car is set rolling on a straight track with initial position 15.0 cm, initial velocity -3.50 cm/s, and constant acceleration 2.40 cm/s². At the same moment, another toy car is set rolling on an adjacent track with initial position 10.0 cm, initial velocity +5.50 cm/s, and constant acceleration zero. (a) At what time, if any, do the two cars have equal speeds? (b) What are their speeds at that time? (c) At what time(s), if any, do the cars pass each other? (d) What are their locations at that time? (e) Explain the differ- ence between question (a) and question (c) as clearly as possible. nsion ve the equa- or the boat's e) Substitute tion numeri- above. ition is given n meters and en it changes eturns to the ationary pho- Fig. P2.39) is rval At dur- Infrared light V₁= €/At, is his part of its constant accel- dea that u is ne glider when ace. (b) Argue o the instanta- Ifway through Va 30 43. Figure P2.43 represents part , (m/s) of the performance data 501 of a car owned by a proud 40 physics student. (a) Calcu- late the total distance trav- eled by computing the area under the red-brown graph line. (b) What distance does the car travel between the times = 10's and t = 40 s? (c) Draw a graph of its accel- eration versus time between t= an equation for xas the motion, 20 10 ( £1 (5) 0 10 20 30 40 50 Figure P2.43 p 47.
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