Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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![**Title: Calculating Tangential and Normal Components of Acceleration**
**Problem Statement:**
Find the tangential component \( a_T \) and the normal component \( a_N \) of acceleration at the \( t = 1 \) if
\[
\mathbf{r}(t) = \langle 5t^{-1}, 3\ln(t), 7t^2 \rangle
\]
**Solutions:**
1. \( a_T(1) = ? \)
2. \( a_N(1) = ? \)
**Explanation:**
This problem involves finding the components of acceleration for a given position vector \(\mathbf{r}(t)\). The vector function \(\mathbf{r}(t)\) describes the path of a particle in terms of \(t\).
- The tangential component of acceleration, \( a_T \), measures the rate of change of speed along the path.
- The normal component of acceleration, \( a_N \), measures the rate of change of direction of the velocity vector.
To solve this, you'll typically need to:
1. Calculate the velocity vector \(\mathbf{v}(t)\) by differentiating \(\mathbf{r}(t)\) with respect to \( t \).
2. Determine the acceleration vector \(\mathbf{a}(t)\) by differentiating \(\mathbf{v}(t)\).
3. Compute \( a_T \) and \( a_N \) using the appropriate formulas involving \(\mathbf{v}(t)\), \(\mathbf{a}(t)\), and unit tangent vectors.
This task requires knowledge of vector calculus and specifically the handling of vector functions and their derivatives.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe77efff9-85de-44cf-a768-ec807d6ae4b4%2Fee2b149f-a9b2-4313-a8c0-178add36f4d1%2F06ok3zd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Title: Calculating Tangential and Normal Components of Acceleration**
**Problem Statement:**
Find the tangential component \( a_T \) and the normal component \( a_N \) of acceleration at the \( t = 1 \) if
\[
\mathbf{r}(t) = \langle 5t^{-1}, 3\ln(t), 7t^2 \rangle
\]
**Solutions:**
1. \( a_T(1) = ? \)
2. \( a_N(1) = ? \)
**Explanation:**
This problem involves finding the components of acceleration for a given position vector \(\mathbf{r}(t)\). The vector function \(\mathbf{r}(t)\) describes the path of a particle in terms of \(t\).
- The tangential component of acceleration, \( a_T \), measures the rate of change of speed along the path.
- The normal component of acceleration, \( a_N \), measures the rate of change of direction of the velocity vector.
To solve this, you'll typically need to:
1. Calculate the velocity vector \(\mathbf{v}(t)\) by differentiating \(\mathbf{r}(t)\) with respect to \( t \).
2. Determine the acceleration vector \(\mathbf{a}(t)\) by differentiating \(\mathbf{v}(t)\).
3. Compute \( a_T \) and \( a_N \) using the appropriate formulas involving \(\mathbf{v}(t)\), \(\mathbf{a}(t)\), and unit tangent vectors.
This task requires knowledge of vector calculus and specifically the handling of vector functions and their derivatives.
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