Question Detail

PHY 101 PHY 101 Past Questions Objective Question
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Question

If we use plus and minus signs to indicate the directions of velocity and acceleration in one dimension, in which of the following situations does the object slow down?
Options
A negative velocity and negative acceleration
B positive velocity and positive acceleration
C in none of the other options does the object slow down
Correct Answer
D zero velocity and positive acceleration
Correct Answer

Option C is the correct answer.

Detailed Explanation

Object slows down when velocity and acceleration have opposite signs. Options A and B have same signs, so speeding up. D has zero velocity, not slowing down. So none of A,B,D show slowing down.

Hint

Slowing down when v and a have opposite directions.

Question Info

Course: PHY 101
Topic: PHY 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 1020 of 1250
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