Chapter 2: Problem 18
Describe What is the main difference between velocity and speed?
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 18
Describe What is the main difference between velocity and speed?
These are the key concepts you need to understand to accurately answer the question.
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Get started for freeConsider a rabbit that is at \(x=8.1 \mathrm{~m}\) at \(t=0\) and moves with a constant velocity of \(-1.6 \mathrm{~m} / \mathrm{s}\). What is the equation of motion for the rabbit?
Two fish swimming in a river have the following equations of motion: $$ \begin{aligned} &x_{1}=-6.4 \mathrm{~m}+(-1.2 \mathrm{~m} / \mathrm{s}) t \\ &x_{2}=1.3 \mathrm{~m}+(-2.7 \mathrm{~m} / \mathrm{s}) t \end{aligned} $$ Which fish is moving faster?
Which has the greater displacement, object 1 , which moves from \(5.0 \mathrm{~m}\) to \(7.0 \mathrm{~m}\) in \(2.0 \mathrm{~s}\), or object 2 , which moves from \(15 \mathrm{~m}\) to \(16 \mathrm{~m}\) in \(25 \mathrm{~s}\) ? Explain.
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.
Concribe What is the main difference between velocity and speed?
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