Who wins? • View Available Hint(s) A Porsche challenges a Honda to a 100-m race. Because the Porsche's acceleration of 3.5 m/s² is larger than the Honda's 3.0 m/s² , the Honda gets a 1.0 s head start. Honda Porsche Submit Previous Answers v Correct Part B By how many seconds? Express your answer in seconds to two significant figures. • View Available Hint(s) ? At = Submit Previous Answers 國

Who wins? • View Available Hint(s) A Porsche challenges a Honda to a 100-m race. Because the Porsche's acceleration of 3.5 m/s² is larger than the Honda's 3.0 m/s² , the Honda gets a 1.0 s head start. Honda Porsche Submit Previous Answers v Correct Part B By how many seconds? Express your answer in seconds to two significant figures. • View Available Hint(s) ? At = Submit Previous Answers 國

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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scientific notation. If you are not sure about the number of significant figures, you can keep the number of figures as many as possible - You will not be punished for doing this.) QUESTION 3 An airplane needs to reach a forward velocity of 203.0 km/h (Please pay attention to the unit km/h here -- km = 1000 m, h = hour) to take off. On a 2000-m runway, what is the minimum uniform acceleration necessary for the plane to take flight if it starts from rest? OA 0.95 m/s2 O B. 0.87 m/s2 OC1.0m/s2 O D.0.79 m/s2 QUESTION 4 The motions ofa car and a truck along a straight road are represented by the velocity-time graphs in the figure. The two vehicles are initially alongside each other at time lick Save and Submit to save and submit. Click Save All Answers to save all answers. Type here to search 近

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Physical Sciences/P1 7 CAPS-Grade 10 DBE/November 2016 QUESTION 2 (Start on a new page.) An impatient businessman paces up and down while making a business call on his cellphone. C A B N E S He starts at his desk and walks 5 m east (from A to B) and then walks 7 m west (from B to C). This process takes him 20 s. 2.1 Use a vector scale diagram and represent the two displacements of the man (from A to B AND from B to C). Label ALL the vectors clearly and write down the displacements next to the vectors. Use a scale of 1 cm representing 1 m for your diagram. (2) 2.2 What is the businessman's change in position at C relative to A? 2.3 Calculate the total distance the man covers. 88 (2) (2) 2.4 Explain why the value calculated in QUESTION 2.2 differs from the one calculated in QUESTION 2.3. (2) 2.5 Define the term velocity. (2) 2.6 Calculate the man's average velocity. (4) [14]
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→ CO e webassign.net/web/Student/Assignment-Responses/last?dep=28609820 Q * Tp * SCIS | U.S. Citizens... 4Google Drive Ebooks Z-Library * Cengage C Get Homework Hel... Google Jamboard tutortrack E Anatomy and Physi... Target Auth Services A car initially traveling eastward turns north by traveling in a circular path at uniform speed as in the figure. The length of the arc ABC is 217 m, and the car completes the turn in 30.0 s. 35.0° C B A (a) Determine the car's speed. m/s (b) What is the magnitude and direction of the acceleration when the car is at point B? magnitude m/s? o counterclockwise from the +x-axis direction Check Score A car initially traveling eastward turns north by traveling in a circular path at uniform speed as in the figure. The length.of the arc ABC is 245 m, and the car completes the turn in 40.0 s. 4 81°F Partly cloudy
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Physics sample problems about vectors. Thought I knew how to do them but keep getting wrong answers.