Solution Found!
In which of the following cases does a car have a negative
Chapter 2, Problem 2MCQ(choose chapter or problem)
In which of the following cases does a car have a negative velocity and a positive acceleration? A car that is traveling in the
(a) –\( x\) direction at a constant 20 m/s.
(b) – \(x\) direction increasing in speed.
(c) +\(x\) direction increasing in speed.
(d) – \(x\) direction decreasing in speed.
(e) +\(x\) direction decreasing in speed.
Equation Transcription:
Text Transcription:
x
x
x
x
x
Questions & Answers
QUESTION:
In which of the following cases does a car have a negative velocity and a positive acceleration? A car that is traveling in the
(a) –\( x\) direction at a constant 20 m/s.
(b) – \(x\) direction increasing in speed.
(c) +\(x\) direction increasing in speed.
(d) – \(x\) direction decreasing in speed.
(e) +\(x\) direction decreasing in speed.
Equation Transcription:
Text Transcription:
x
x
x
x
x
ANSWER:
Step 1 of 2
Sign of the velocity depends upon the direction of travel. Sign of acceleration depends upon the direction of travel and if the velocity is increasing or decreasing.