_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
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter2: Kinematics
Section: Chapter Questions
Problem 21CQ: An object that is thrown straight up falls back to Earth. This is one-dimensional motion. (a) When...
icon
Related questions
Question

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
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781938168000
Author:
Paul Peter Urone, Roger Hinrichs
Publisher:
OpenStax College
University Physics Volume 1
University Physics Volume 1
Physics
ISBN:
9781938168277
Author:
William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:
OpenStax - Rice University
College Physics
College Physics
Physics
ISBN:
9781285737027
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning