Chapter 2: Problem 62
Is it possible for two different objects to have the same speed but different velocities?
Short Answer
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Chapter 2: Problem 62
Is it possible for two different objects to have the same speed but different velocities?
These are the key concepts you need to understand to accurately answer the question.
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Get started for freeIn heavy rush-hour traffic you drive in a straight line at \(12 \mathrm{~m} / \mathrm{s}\) for \(1.5 \mathrm{~min}\), then you have to stop for \(3.5 \mathrm{~min}\), and finally you drive at \(15 \mathrm{~m} / \mathrm{s}\) for another \(2.5 \mathrm{~min}\). (a) Plot a position-time graph for this motion. Your graph should extend from \(t=0\) to \(t=7.5 \mathrm{~min}\). (b) Use your graph from part (a) to calculate the average velocity between \(t=0\) and \(t=7.5 \mathrm{~min}\).
Triple Choice An object's position-time graph is a straight line with a positive slope. Is the velocity of this object positive, negative, or zero? Explain.
Explain A straight line on a position-time graph represents motion with constant velocity. What does the slope of the line represent? What does the \(y\) intercept of the line represent?
Concribe What is the main difference between velocity and speed?
A roller coaster moves on a certain section of its track with an average speed of \(12 \mathrm{~m} / \mathrm{s}\). How much distance does it cover in \(5.5 \mathrm{~s}\) ?
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