Which of the following is positive acceleration? Select all apply. A car is moving to the right with a constant speed A car is moving to the right and speeding up A car is moving to the right and slowing down A car is moving to the left with a constant speed A car is moving to the left and speeding up A car is moving to the left and slowing down

Which of the following is positive acceleration? Select all apply. A car is moving to the right with a constant speed A car is moving to the right and speeding up A car is moving to the right and slowing down A car is moving to the left with a constant speed A car is moving to the left and speeding up A car is moving to the left and slowing down

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 16P: Draw motion diagrams for (a) an object moving to the right at constant speed, (b) an object moving...

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Which of the following represents a negative acceleration? Select all apply. An object is at rest An object is moving to the right with a constant speed An object is moving to the right and speeding up An object is moving to the right and slowing down An object is moving to the left with a constant speed An object is moving to the left and speeding up An object is moving to the left and slowing down
Which of the following is a successful strategy for minimizing the acceleration that you would sustain during a car crash? Increase the speed at which you drive and decrease the stopping distance during the crash. Decrease the stopping distance during the crash. Decrease the speed at which you drive and increase the stopping distance during the crash. Increase the speed at which you drive.
Identify and describe all 5 instances of acceleration in the following scenario. A female bear leaves her bear cubs in their den to go out in search of food. She travels one mile in 30 minutes, heading east. She travels quickly at first, but the she becomes tired and begins moving more slowly. She finds no food, so she heads north for another 10 minutes. She finds a river, so she is able to catch a few fish for her bear cubs. She then turns around and heads, southwest, back towards her den.
For an object that is moving along a straight path, the acceleration is Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a zero. the distance the object travels divided by the time it takes. the change in the object's speed divided by the time it takes. the time the object is moving divided by the distance it travels during that time. the time the object is moving divided by the change in its speed during that time. e
Question 14 In which one of the following situations does the car have a eastward acceleration? A The car travels eastward and slows down. B The car travels eastward at constant speed. The car travels westward and speeds up. The car travels westward and slows down.
Does acceleration depend on the speed of an object? Why or why not? Give an example of a slow object having a larger acceleration than a fast object. Can anyone think of an example of an object moving in such a way so that it is accelerating while having zero velocity?
I am driving at 35 mph on a foggy day when I see a car 5 miles ahead of me stopped in the road with its hazard lights on. I can accelerate my car at about -12 mph/s. How long do I have to decide if I will need to swerve to avoid hitting the car? Which is the correct equation to use
Answer 5. The diagram represents the straight-line motion of a car. Which of the following statements is true? A) The car's speed increases, then it stops, and v(m/s) reverses 12 B) The car accelerates at 6 m/s2 for the first 2 s C) The car is moving for a total time of 12 s D) The car accelerates at -12 m/s2 for the last 4 s E) The car returns to its starting point when t = 9 s t(s) 5 Problem Solving Using the graph in #5, (a) how far does the car travel between t = 2 s and t = 5 s? (b) What is the total distance traveled by the car? Insert your solution here (use equation editor) (a) (b) Write your answer here with the correct units: (a) (b)
A train car moves along a long straight track. The graph shows the position as a function of time for this train. position time The graph shows that the train: O Moves at constant speed O Speeds up all the time O Speeds up part of the time and slows down part of the time Need to know the initial velocity Slows down all the time
car A at a gasoline station stays there for 10 min after a car B passes at an average speed of 40 mph. How long will it take car A moving at an average speed of 50 mph to overtake car B?
a car travels on a straight, level road. a) Starting from rest, the car is going 42 ft/s (29 mi/h) at the end of 4.5 s. What is the car's average acceleration in ft/s2? b) In 3.5 more seconds, the car is going 84 ft/s (57 mi/h). What is the car's average acceleration for this time period? (c) The car then slows to 63 ft/s (43 mi/h) in 2.5 s. What is the average acceleration for this time period? (d) What is the overall average acceleration for the total time?
Two cars are travelling on parallel tracks in the same direction. The first car started from rest and speeds up with a constant acceleration of 0.3 m/s2. The second car left the starting point 15 seconds after the first car and speeds up with a constant acceleration of 0.5 m/s2. When will the second car overtake the first car?

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		A car is moving to the right with a constant speed
		A car is moving to the right and speeding up
		A car is moving to the right and slowing down
		A car is moving to the left with a constant speed
		A car is moving to the left and speeding up
		A car is moving to the left and slowing down
		WHICH ONES SHOULD I SELECT?