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_9. Yeosang walked to his friend's house with an average speed of 90.0 m/min. The distance between the houses is 200 m. How long did the trip take him? B. 27.00 s C. 0.45 min D. 3.33 min A 133.33 s _10. In which of the following cases does a car have a negative velocity and a positive acceleration? A -x đirection at a constant 20 m/s. B. -x đirection increasing in speed. C. +x direction increasing in speed. D. -x direction decreasing in speed. _12. In which of the following cases does a car have a negative velocity and a negative acceleration? A -x direction at a constant 20 m/s. B. -x đirection increasing in speed. C. +x direction increasing in speed. D. -x direction decreasing in speed. 12 At time t=0 an obiect ie traveling te the right along the4 K-avie at a cpeod of 10 m/e with

_9. Yeosang walked to his friend's house with an average speed of 90.0 m/min. The distance between the houses is 200 m. How long did the trip take him? B. 27.00 s C. 0.45 min D. 3.33 min A 133.33 s _10. In which of the following cases does a car have a negative velocity and a positive acceleration? A -x đirection at a constant 20 m/s. B. -x đirection increasing in speed. C. +x direction increasing in speed. D. -x direction decreasing in speed. _12. In which of the following cases does a car have a negative velocity and a negative acceleration? A -x direction at a constant 20 m/s. B. -x đirection increasing in speed. C. +x direction increasing in speed. D. -x direction decreasing in speed. 12 At time t=0 an obiect ie traveling te the right along the4 K-avie at a cpeod of 10 m/e with

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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Please answer 9-12 with solution or explanation

_9. Yeosang walked to his friend's house with an average speed of 90.0 m/min. The distance between the houses is 200 m. How long did the trip take him? B. 27.00 s C. 0.45 min D. 3.33 min A 133.33 s _10. In which of the following cases does a car have a negative velocity and a positive acceleration? A -x đirection at a constant 20 m/s. B. -x đirection increasing in speed. C. +x direction increasing in speed. D. -x direction decreasing in speed. _12. In which of the following cases does a car have a negative velocity and a negative acceleration? A -x direction at a constant 20 m/s. B. -x đirection increasing in speed. C. +x direction increasing in speed. D. -x direction decreasing in speed. _13. At time t= 0 an object is traveling to the right along the + x-axis at a speed of 10 m/s with acceleration - 2.0 m/s². Which statement is true? A The object will slow down, eventually coming to a complete stop. B. The object cannot have a negative acceleration and be moving to the right. C. The object will continue to move to the right, slowing down but never coming to complete stop. D. The object will slow down, momentarily stopping, then pick up speed moving to the left. _14. Asta traveled with an average speed of 125 km/h from 11:15 am to 1:30 pm. What is his distance traveled? A 281.50 m B. 250.00 m C. 281.25 m D. 275.50 m
Transcribed Image Text:_9. Yeosang walked to his friend's house with an average speed of 90.0 m/min. The distance between the houses is 200 m. How long did the trip take him? B. 27.00 s C. 0.45 min D. 3.33 min A 133.33 s _10. In which of the following cases does a car have a negative velocity and a positive acceleration? A -x đirection at a constant 20 m/s. B. -x đirection increasing in speed. C. +x direction increasing in speed. D. -x direction decreasing in speed. _12. In which of the following cases does a car have a negative velocity and a negative acceleration? A -x direction at a constant 20 m/s. B. -x đirection increasing in speed. C. +x direction increasing in speed. D. -x direction decreasing in speed. _13. At time t= 0 an object is traveling to the right along the + x-axis at a speed of 10 m/s with acceleration - 2.0 m/s². Which statement is true? A The object will slow down, eventually coming to a complete stop. B. The object cannot have a negative acceleration and be moving to the right. C. The object will continue to move to the right, slowing down but never coming to complete stop. D. The object will slow down, momentarily stopping, then pick up speed moving to the left. _14. Asta traveled with an average speed of 125 km/h from 11:15 am to 1:30 pm. What is his distance traveled? A 281.50 m B. 250.00 m C. 281.25 m D. 275.50 m
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